Home / 206,751,665.52-310,126,374.61-119,256,465.87

Finding the Fourth Proportional to 206,751,665.52, 310,126,374.61 and 119,256,465.87

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Solution

The fourth proportional to 206,751,665.52, 310,126,374.61 and 119,256,465.87 is: 178,884,050.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,751,665.52 : 310,126,374.61 = 119,256,465.87 : x
  2. Step 2: Convert to fraction form
    206,751,665.52/310,126,374.61 = 119,256,465.87/x
  3. Step 3: Cross multiply
    206,751,665.52x = 310,126,374.61 × 119,256,465.87
  4. Step 4: Simplify right side
    206,751,665.52x = 36,984,575,408,766,160
  5. Step 5: Solve for x
    x = 36,984,575,408,766,160/206,751,665.52
  6. Step 6: Final answer
    x = 178,884,050.66

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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.