Home / 162,003,253.86-223,565,082.90-87,663,815.00

Finding the Fourth Proportional to 162,003,253.86, 223,565,082.90 and 87,663,815.00

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Solution

The fourth proportional to 162,003,253.86, 223,565,082.90 and 87,663,815.00 is: 120,976,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,003,253.86 : 223,565,082.90 = 87,663,815.00 : x
  2. Step 2: Convert to fraction form
    162,003,253.86/223,565,082.90 = 87,663,815.00/x
  3. Step 3: Cross multiply
    162,003,253.86x = 223,565,082.90 × 87,663,815.00
  4. Step 4: Simplify right side
    162,003,253.86x = 19,598,568,066,687,440
  5. Step 5: Solve for x
    x = 19,598,568,066,687,440/162,003,253.86
  6. Step 6: Final answer
    x = 120,976,385.35

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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.