Home / 156,008,045.70-234,040,062.15-65,140,820.10

Finding the Fourth Proportional to 156,008,045.70, 234,040,062.15 and 65,140,820.10

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Solution

The fourth proportional to 156,008,045.70, 234,040,062.15 and 65,140,820.10 is: 97,722,918.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,008,045.70 : 234,040,062.15 = 65,140,820.10 : x
  2. Step 2: Convert to fraction form
    156,008,045.70/234,040,062.15 = 65,140,820.10/x
  3. Step 3: Cross multiply
    156,008,045.70x = 234,040,062.15 × 65,140,820.10
  4. Step 4: Simplify right side
    156,008,045.70x = 15,245,561,584,705,970
  5. Step 5: Solve for x
    x = 15,245,561,584,705,970/156,008,045.70
  6. Step 6: Final answer
    x = 97,722,918.82

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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.