Home / 139,164,462.70-208,746,694.05-84,744,904.30

Finding the Fourth Proportional to 139,164,462.70, 208,746,694.05 and 84,744,904.30

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Solution

The fourth proportional to 139,164,462.70, 208,746,694.05 and 84,744,904.30 is: 127,117,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,164,462.70 : 208,746,694.05 = 84,744,904.30 : x
  2. Step 2: Convert to fraction form
    139,164,462.70/208,746,694.05 = 84,744,904.30/x
  3. Step 3: Cross multiply
    139,164,462.70x = 208,746,694.05 × 84,744,904.30
  4. Step 4: Simplify right side
    139,164,462.70x = 17,690,218,610,208,630
  5. Step 5: Solve for x
    x = 17,690,218,610,208,630/139,164,462.70
  6. Step 6: Final answer
    x = 127,117,356.45

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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.