Home / 139,164,463.70-208,746,695.55-84,744,905.30

Finding the Fourth Proportional to 139,164,463.70, 208,746,695.55 and 84,744,905.30

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Solution

The fourth proportional to 139,164,463.70, 208,746,695.55 and 84,744,905.30 is: 127,117,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,164,463.70 : 208,746,695.55 = 84,744,905.30 : x
  2. Step 2: Convert to fraction form
    139,164,463.70/208,746,695.55 = 84,744,905.30/x
  3. Step 3: Cross multiply
    139,164,463.70x = 208,746,695.55 × 84,744,905.30
  4. Step 4: Simplify right side
    139,164,463.70x = 17,690,218,946,072,682
  5. Step 5: Solve for x
    x = 17,690,218,946,072,682/139,164,463.70
  6. Step 6: Final answer
    x = 127,117,357.95

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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.