Home / 139,667,046.90-209,500,572.78-42,623,252.16

Finding the Fourth Proportional to 139,667,046.90, 209,500,572.78 and 42,623,252.16

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Solution

The fourth proportional to 139,667,046.90, 209,500,572.78 and 42,623,252.16 is: 63,934,878.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,667,046.90 : 209,500,572.78 = 42,623,252.16 : x
  2. Step 2: Convert to fraction form
    139,667,046.90/209,500,572.78 = 42,623,252.16/x
  3. Step 3: Cross multiply
    139,667,046.90x = 209,500,572.78 × 42,623,252.16
  4. Step 4: Simplify right side
    139,667,046.90x = 8,929,595,741,266,372
  5. Step 5: Solve for x
    x = 8,929,595,741,266,372/139,667,046.90
  6. Step 6: Final answer
    x = 63,934,878.98

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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.