Home / 340,249,886.86-510,350,142.69-132,949,318.54

Finding the Fourth Proportional to 340,249,886.86, 510,350,142.69 and 132,949,318.54

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Solution

The fourth proportional to 340,249,886.86, 510,350,142.69 and 132,949,318.54 is: 199,414,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,249,886.86 : 510,350,142.69 = 132,949,318.54 : x
  2. Step 2: Convert to fraction form
    340,249,886.86/510,350,142.69 = 132,949,318.54/x
  3. Step 3: Cross multiply
    340,249,886.86x = 510,350,142.69 × 132,949,318.54
  4. Step 4: Simplify right side
    340,249,886.86x = 67,850,703,687,427,264
  5. Step 5: Solve for x
    x = 67,850,703,687,427,264/340,249,886.86
  6. Step 6: Final answer
    x = 199,414,331.37

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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.