Home / 109,156,721.60-163,735,082.40-54,577,730.90

Finding the Fourth Proportional to 109,156,721.60, 163,735,082.40 and 54,577,730.90

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Solution

The fourth proportional to 109,156,721.60, 163,735,082.40 and 54,577,730.90 is: 81,866,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,721.60 : 163,735,082.40 = 54,577,730.90 : x
  2. Step 2: Convert to fraction form
    109,156,721.60/163,735,082.40 = 54,577,730.90/x
  3. Step 3: Cross multiply
    109,156,721.60x = 163,735,082.40 × 54,577,730.90
  4. Step 4: Simplify right side
    109,156,721.60x = 8,936,289,266,116,526
  5. Step 5: Solve for x
    x = 8,936,289,266,116,526/109,156,721.60
  6. Step 6: Final answer
    x = 81,866,596.35

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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.