Home / 95,687,518.40-143,672,995.20-74,146,443.20

Finding the Fourth Proportional to 95,687,518.40, 143,672,995.20 and 74,146,443.20

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Solution

The fourth proportional to 95,687,518.40, 143,672,995.20 and 74,146,443.20 is: 111,329,479.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,687,518.40 : 143,672,995.20 = 74,146,443.20 : x
  2. Step 2: Convert to fraction form
    95,687,518.40/143,672,995.20 = 74,146,443.20/x
  3. Step 3: Cross multiply
    95,687,518.40x = 143,672,995.20 × 74,146,443.20
  4. Step 4: Simplify right side
    95,687,518.40x = 10,652,841,577,970,672
  5. Step 5: Solve for x
    x = 10,652,841,577,970,672/95,687,518.40
  6. Step 6: Final answer
    x = 111,329,479.08

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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.