Home / 159,241,433,232.57-219,753,169,455.67-85,997,656,889.28

Finding the Fourth Proportional to 159,241,433,232.57, 219,753,169,455.67 and 85,997,656,889.28

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Solution

The fourth proportional to 159,241,433,232.57, 219,753,169,455.67 and 85,997,656,889.28 is: 118,676,761,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,241,433,232.57 : 219,753,169,455.67 = 85,997,656,889.28 : x
  2. Step 2: Convert to fraction form
    159,241,433,232.57/219,753,169,455.67 = 85,997,656,889.28/x
  3. Step 3: Cross multiply
    159,241,433,232.57x = 219,753,169,455.67 × 85,997,656,889.28
  4. Step 4: Simplify right side
    159,241,433,232.57x = 18,898,257,667,180,516,605,952
  5. Step 5: Solve for x
    x = 18,898,257,667,180,516,605,952/159,241,433,232.57
  6. Step 6: Final answer
    x = 118,676,761,967.97

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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.