Home / 103,561,298.18-142,914,298.52-57,151,220.25

Finding the Fourth Proportional to 103,561,298.18, 142,914,298.52 and 57,151,220.25

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Solution

The fourth proportional to 103,561,298.18, 142,914,298.52 and 57,151,220.25 is: 78,868,522.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,561,298.18 : 142,914,298.52 = 57,151,220.25 : x
  2. Step 2: Convert to fraction form
    103,561,298.18/142,914,298.52 = 57,151,220.25/x
  3. Step 3: Cross multiply
    103,561,298.18x = 142,914,298.52 × 57,151,220.25
  4. Step 4: Simplify right side
    103,561,298.18x = 8,167,726,551,305,012
  5. Step 5: Solve for x
    x = 8,167,726,551,305,012/103,561,298.18
  6. Step 6: Final answer
    x = 78,868,522.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.