Home / 141,915,458.40-212,475,056.40-137,934,146.40

Finding the Fourth Proportional to 141,915,458.40, 212,475,056.40 and 137,934,146.40

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Solution

The fourth proportional to 141,915,458.40, 212,475,056.40 and 137,934,146.40 is: 206,514,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,915,458.40 : 212,475,056.40 = 137,934,146.40 : x
  2. Step 2: Convert to fraction form
    141,915,458.40/212,475,056.40 = 137,934,146.40/x
  3. Step 3: Cross multiply
    141,915,458.40x = 212,475,056.40 × 137,934,146.40
  4. Step 4: Simplify right side
    141,915,458.40x = 29,307,565,535,825,860
  5. Step 5: Solve for x
    x = 29,307,565,535,825,860/141,915,458.40
  6. Step 6: Final answer
    x = 206,514,257.62

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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.