Home / 42,395,564.40-63,593,346.60-39,561,212.40

Finding the Fourth Proportional to 42,395,564.40, 63,593,346.60 and 39,561,212.40

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Solution

The fourth proportional to 42,395,564.40, 63,593,346.60 and 39,561,212.40 is: 59,341,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,395,564.40 : 63,593,346.60 = 39,561,212.40 : x
  2. Step 2: Convert to fraction form
    42,395,564.40/63,593,346.60 = 39,561,212.40/x
  3. Step 3: Cross multiply
    42,395,564.40x = 63,593,346.60 × 39,561,212.40
  4. Step 4: Simplify right side
    42,395,564.40x = 2,515,829,892,069,418
  5. Step 5: Solve for x
    x = 2,515,829,892,069,418/42,395,564.40
  6. Step 6: Final answer
    x = 59,341,818.60

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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.