Home / 137,039,082-205,612,423.92-60,308,285.76

Finding the Fourth Proportional to 137,039,082, 205,612,423.92 and 60,308,285.76

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Solution

The fourth proportional to 137,039,082, 205,612,423.92 and 60,308,285.76 is: 90,486,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,039,082 : 205,612,423.92 = 60,308,285.76 : x
  2. Step 2: Convert to fraction form
    137,039,082/205,612,423.92 = 60,308,285.76/x
  3. Step 3: Cross multiply
    137,039,082x = 205,612,423.92 × 60,308,285.76
  4. Step 4: Simplify right side
    137,039,082x = 12,400,132,817,573,618
  5. Step 5: Solve for x
    x = 12,400,132,817,573,618/137,039,082
  6. Step 6: Final answer
    x = 90,486,105.40

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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.