Home / 312,134,602.70-468,060,186.45-117,981,490.70

Finding the Fourth Proportional to 312,134,602.70, 468,060,186.45 and 117,981,490.70

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Solution

The fourth proportional to 312,134,602.70, 468,060,186.45 and 117,981,490.70 is: 176,918,669.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,134,602.70 : 468,060,186.45 = 117,981,490.70 : x
  2. Step 2: Convert to fraction form
    312,134,602.70/468,060,186.45 = 117,981,490.70/x
  3. Step 3: Cross multiply
    312,134,602.70x = 468,060,186.45 × 117,981,490.70
  4. Step 4: Simplify right side
    312,134,602.70x = 55,222,438,534,690,944
  5. Step 5: Solve for x
    x = 55,222,438,534,690,944/312,134,602.70
  6. Step 6: Final answer
    x = 176,918,669.24

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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.