Home / 143,644,193.66-215,291,780.95-77,909,454.52

Finding the Fourth Proportional to 143,644,193.66, 215,291,780.95 and 77,909,454.52

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Solution

The fourth proportional to 143,644,193.66, 215,291,780.95 and 77,909,454.52 is: 116,769,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,644,193.66 : 215,291,780.95 = 77,909,454.52 : x
  2. Step 2: Convert to fraction form
    143,644,193.66/215,291,780.95 = 77,909,454.52/x
  3. Step 3: Cross multiply
    143,644,193.66x = 215,291,780.95 × 77,909,454.52
  4. Step 4: Simplify right side
    143,644,193.66x = 16,773,265,215,647,588
  5. Step 5: Solve for x
    x = 16,773,265,215,647,588/143,644,193.66
  6. Step 6: Final answer
    x = 116,769,531.64

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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.