Home / 162,003,253.61-223,565,082.56-87,663,814.76

Finding the Fourth Proportional to 162,003,253.61, 223,565,082.56 and 87,663,814.76

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Solution

The fourth proportional to 162,003,253.61, 223,565,082.56 and 87,663,814.76 is: 120,976,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,003,253.61 : 223,565,082.56 = 87,663,814.76 : x
  2. Step 2: Convert to fraction form
    162,003,253.61/223,565,082.56 = 87,663,814.76/x
  3. Step 3: Cross multiply
    162,003,253.61x = 223,565,082.56 × 87,663,814.76
  4. Step 4: Simplify right side
    162,003,253.61x = 19,598,567,984,343,948
  5. Step 5: Solve for x
    x = 19,598,567,984,343,948/162,003,253.61
  6. Step 6: Final answer
    x = 120,976,385.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.