Home / 165,006,608.10-247,131,998.55-84,133,097.70

Finding the Fourth Proportional to 165,006,608.10, 247,131,998.55 and 84,133,097.70

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Solution

The fourth proportional to 165,006,608.10, 247,131,998.55 and 84,133,097.70 is: 126,006,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,006,608.10 : 247,131,998.55 = 84,133,097.70 : x
  2. Step 2: Convert to fraction form
    165,006,608.10/247,131,998.55 = 84,133,097.70/x
  3. Step 3: Cross multiply
    165,006,608.10x = 247,131,998.55 × 84,133,097.70
  4. Step 4: Simplify right side
    165,006,608.10x = 20,791,980,578,803,412
  5. Step 5: Solve for x
    x = 20,791,980,578,803,412/165,006,608.10
  6. Step 6: Final answer
    x = 126,006,957.04

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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.