Home / 102,239,468,092.80-153,359,202,139.20-84,825,209,404.80

Finding the Fourth Proportional to 102,239,468,092.80, 153,359,202,139.20 and 84,825,209,404.80

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Solution

The fourth proportional to 102,239,468,092.80, 153,359,202,139.20 and 84,825,209,404.80 is: 127,237,814,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,239,468,092.80 : 153,359,202,139.20 = 84,825,209,404.80 : x
  2. Step 2: Convert to fraction form
    102,239,468,092.80/153,359,202,139.20 = 84,825,209,404.80/x
  3. Step 3: Cross multiply
    102,239,468,092.80x = 153,359,202,139.20 × 84,825,209,404.80
  4. Step 4: Simplify right side
    102,239,468,092.80x = 13,008,726,435,610,694,254,592
  5. Step 5: Solve for x
    x = 13,008,726,435,610,694,254,592/102,239,468,092.80
  6. Step 6: Final answer
    x = 127,237,814,107.20

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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.