Home / 123,038,551.71-184,576,179.12-45,309,479.13

Finding the Fourth Proportional to 123,038,551.71, 184,576,179.12 and 45,309,479.13

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Solution

The fourth proportional to 123,038,551.71, 184,576,179.12 and 45,309,479.13 is: 67,970,976.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,038,551.71 : 184,576,179.12 = 45,309,479.13 : x
  2. Step 2: Convert to fraction form
    123,038,551.71/184,576,179.12 = 45,309,479.13/x
  3. Step 3: Cross multiply
    123,038,551.71x = 184,576,179.12 × 45,309,479.13
  4. Step 4: Simplify right side
    123,038,551.71x = 8,363,050,535,732,782
  5. Step 5: Solve for x
    x = 8,363,050,535,732,782/123,038,551.71
  6. Step 6: Final answer
    x = 67,970,976.73

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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.