Home / 72,600,156.30-109,026,205.65-38,587,932.30

Finding the Fourth Proportional to 72,600,156.30, 109,026,205.65 and 38,587,932.30

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Solution

The fourth proportional to 72,600,156.30, 109,026,205.65 and 38,587,932.30 is: 57,948,853.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,600,156.30 : 109,026,205.65 = 38,587,932.30 : x
  2. Step 2: Convert to fraction form
    72,600,156.30/109,026,205.65 = 38,587,932.30/x
  3. Step 3: Cross multiply
    72,600,156.30x = 109,026,205.65 × 38,587,932.30
  4. Step 4: Simplify right side
    72,600,156.30x = 4,207,095,842,548,077.50
  5. Step 5: Solve for x
    x = 4,207,095,842,548,077.50/72,600,156.30
  6. Step 6: Final answer
    x = 57,948,853.79

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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.