Home / 159,241,433,252.78-219,753,169,483.60-85,997,656,909.54

Finding the Fourth Proportional to 159,241,433,252.78, 219,753,169,483.60 and 85,997,656,909.54

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Solution

The fourth proportional to 159,241,433,252.78, 219,753,169,483.60 and 85,997,656,909.54 is: 118,676,761,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,241,433,252.78 : 219,753,169,483.60 = 85,997,656,909.54 : x
  2. Step 2: Convert to fraction form
    159,241,433,252.78/219,753,169,483.60 = 85,997,656,909.54/x
  3. Step 3: Cross multiply
    159,241,433,252.78x = 219,753,169,483.60 × 85,997,656,909.54
  4. Step 4: Simplify right side
    159,241,433,252.78x = 18,898,257,674,034,625,904,640
  5. Step 5: Solve for x
    x = 18,898,257,674,034,625,904,640/159,241,433,252.78
  6. Step 6: Final answer
    x = 118,676,761,995.95

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1.5x scale

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.