Home / 42,849,652.12-59,150,615.46-28,929,863.32

Finding the Fourth Proportional to 42,849,652.12, 59,150,615.46 and 28,929,863.32

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Solution

The fourth proportional to 42,849,652.12, 59,150,615.46 and 28,929,863.32 is: 39,935,428.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,849,652.12 : 59,150,615.46 = 28,929,863.32 : x
  2. Step 2: Convert to fraction form
    42,849,652.12/59,150,615.46 = 28,929,863.32/x
  3. Step 3: Cross multiply
    42,849,652.12x = 59,150,615.46 × 28,929,863.32
  4. Step 4: Simplify right side
    42,849,652.12x = 1,711,219,220,551,679
  5. Step 5: Solve for x
    x = 1,711,219,220,551,679/42,849,652.12
  6. Step 6: Final answer
    x = 39,935,428.55

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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.