Home / 128,010,234.46-176,654,119.04-69,272,898.97

Finding the Fourth Proportional to 128,010,234.46, 176,654,119.04 and 69,272,898.97

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Solution

The fourth proportional to 128,010,234.46, 176,654,119.04 and 69,272,898.97 is: 95,596,598.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,010,234.46 : 176,654,119.04 = 69,272,898.97 : x
  2. Step 2: Convert to fraction form
    128,010,234.46/176,654,119.04 = 69,272,898.97/x
  3. Step 3: Cross multiply
    128,010,234.46x = 176,654,119.04 × 69,272,898.97
  4. Step 4: Simplify right side
    128,010,234.46x = 12,237,342,940,892,272
  5. Step 5: Solve for x
    x = 12,237,342,940,892,272/128,010,234.46
  6. Step 6: Final answer
    x = 95,596,598.14

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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.