Home / 80,592,005.70-120,888,008.55-58,085,151.30

Finding the Fourth Proportional to 80,592,005.70, 120,888,008.55 and 58,085,151.30

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Solution

The fourth proportional to 80,592,005.70, 120,888,008.55 and 58,085,151.30 is: 87,127,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,592,005.70 : 120,888,008.55 = 58,085,151.30 : x
  2. Step 2: Convert to fraction form
    80,592,005.70/120,888,008.55 = 58,085,151.30/x
  3. Step 3: Cross multiply
    80,592,005.70x = 120,888,008.55 × 58,085,151.30
  4. Step 4: Simplify right side
    80,592,005.70x = 7,021,798,266,982,443
  5. Step 5: Solve for x
    x = 7,021,798,266,982,443/80,592,005.70
  6. Step 6: Final answer
    x = 87,127,726.95

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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.