Home / 141,939,784.40-212,511,545.40-137,958,472.40

Finding the Fourth Proportional to 141,939,784.40, 212,511,545.40 and 137,958,472.40

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Solution

The fourth proportional to 141,939,784.40, 212,511,545.40 and 137,958,472.40 is: 206,550,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,939,784.40 : 212,511,545.40 = 137,958,472.40 : x
  2. Step 2: Convert to fraction form
    141,939,784.40/212,511,545.40 = 137,958,472.40/x
  3. Step 3: Cross multiply
    141,939,784.40x = 212,511,545.40 × 137,958,472.40
  4. Step 4: Simplify right side
    141,939,784.40x = 29,317,768,170,747,248
  5. Step 5: Solve for x
    x = 29,317,768,170,747,248/141,939,784.40
  6. Step 6: Final answer
    x = 206,550,744.70

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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.