Home / 156,022,364.70-234,061,540.65-65,155,139.10

Finding the Fourth Proportional to 156,022,364.70, 234,061,540.65 and 65,155,139.10

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Solution

The fourth proportional to 156,022,364.70, 234,061,540.65 and 65,155,139.10 is: 97,744,398.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,022,364.70 : 234,061,540.65 = 65,155,139.10 : x
  2. Step 2: Convert to fraction form
    156,022,364.70/234,061,540.65 = 65,155,139.10/x
  3. Step 3: Cross multiply
    156,022,364.70x = 234,061,540.65 × 65,155,139.10
  4. Step 4: Simplify right side
    156,022,364.70x = 15,250,312,239,011,056
  5. Step 5: Solve for x
    x = 15,250,312,239,011,056/156,022,364.70
  6. Step 6: Final answer
    x = 97,744,398.81

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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.