Home / 102,912,685.38-154,223,898.75-56,875,285.62

Finding the Fourth Proportional to 102,912,685.38, 154,223,898.75 and 56,875,285.62

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Solution

The fourth proportional to 102,912,685.38, 154,223,898.75 and 56,875,285.62 is: 85,232,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,912,685.38 : 154,223,898.75 = 56,875,285.62 : x
  2. Step 2: Convert to fraction form
    102,912,685.38/154,223,898.75 = 56,875,285.62/x
  3. Step 3: Cross multiply
    102,912,685.38x = 154,223,898.75 × 56,875,285.62
  4. Step 4: Simplify right side
    102,912,685.38x = 8,771,528,290,836,211
  5. Step 5: Solve for x
    x = 8,771,528,290,836,211/102,912,685.38
  6. Step 6: Final answer
    x = 85,232,721.88

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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.