Home / 102,239,468,074.80-153,359,202,112.20-84,825,209,386.80

Finding the Fourth Proportional to 102,239,468,074.80, 153,359,202,112.20 and 84,825,209,386.80

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Solution

The fourth proportional to 102,239,468,074.80, 153,359,202,112.20 and 84,825,209,386.80 is: 127,237,814,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,239,468,074.80 : 153,359,202,112.20 = 84,825,209,386.80 : x
  2. Step 2: Convert to fraction form
    102,239,468,074.80/153,359,202,112.20 = 84,825,209,386.80/x
  3. Step 3: Cross multiply
    102,239,468,074.80x = 153,359,202,112.20 × 84,825,209,386.80
  4. Step 4: Simplify right side
    102,239,468,074.80x = 13,008,726,430,559,946,932,224
  5. Step 5: Solve for x
    x = 13,008,726,430,559,946,932,224/102,239,468,074.80
  6. Step 6: Final answer
    x = 127,237,814,080.20

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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.