Home / 186,778,057.19-280,337,099.76-99,412,921.16

Finding the Fourth Proportional to 186,778,057.19, 280,337,099.76 and 99,412,921.16

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Solution

The fourth proportional to 186,778,057.19, 280,337,099.76 and 99,412,921.16 is: 149,209,871.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,778,057.19 : 280,337,099.76 = 99,412,921.16 : x
  2. Step 2: Convert to fraction form
    186,778,057.19/280,337,099.76 = 99,412,921.16/x
  3. Step 3: Cross multiply
    186,778,057.19x = 280,337,099.76 × 99,412,921.16
  4. Step 4: Simplify right side
    186,778,057.19x = 27,869,129,995,262,248
  5. Step 5: Solve for x
    x = 27,869,129,995,262,248/186,778,057.19
  6. Step 6: Final answer
    x = 149,209,871.95

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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.