Home / 145,513,114.80-217,950,807.60-129,357,308.40

Finding the Fourth Proportional to 145,513,114.80, 217,950,807.60 and 129,357,308.40

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Solution

The fourth proportional to 145,513,114.80, 217,950,807.60 and 129,357,308.40 is: 193,752,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,513,114.80 : 217,950,807.60 = 129,357,308.40 : x
  2. Step 2: Convert to fraction form
    145,513,114.80/217,950,807.60 = 129,357,308.40/x
  3. Step 3: Cross multiply
    145,513,114.80x = 217,950,807.60 × 129,357,308.40
  4. Step 4: Simplify right side
    145,513,114.80x = 28,193,529,834,742,264
  5. Step 5: Solve for x
    x = 28,193,529,834,742,264/145,513,114.80
  6. Step 6: Final answer
    x = 193,752,500.41

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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.