Home / 102,239,468,544.30-153,359,202,816.45-84,825,209,856.30

Finding the Fourth Proportional to 102,239,468,544.30, 153,359,202,816.45 and 84,825,209,856.30

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Solution

The fourth proportional to 102,239,468,544.30, 153,359,202,816.45 and 84,825,209,856.30 is: 127,237,814,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,239,468,544.30 : 153,359,202,816.45 = 84,825,209,856.30 : x
  2. Step 2: Convert to fraction form
    102,239,468,544.30/153,359,202,816.45 = 84,825,209,856.30/x
  3. Step 3: Cross multiply
    102,239,468,544.30x = 153,359,202,816.45 × 84,825,209,856.30
  4. Step 4: Simplify right side
    102,239,468,544.30x = 13,008,726,562,300,246,360,064
  5. Step 5: Solve for x
    x = 13,008,726,562,300,246,360,064/102,239,468,544.30
  6. Step 6: Final answer
    x = 127,237,814,784.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.