Home / 238,356,095.40-357,534,143.10-129,516,978.60

Finding the Fourth Proportional to 238,356,095.40, 357,534,143.10 and 129,516,978.60

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Solution

The fourth proportional to 238,356,095.40, 357,534,143.10 and 129,516,978.60 is: 194,275,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,356,095.40 : 357,534,143.10 = 129,516,978.60 : x
  2. Step 2: Convert to fraction form
    238,356,095.40/357,534,143.10 = 129,516,978.60/x
  3. Step 3: Cross multiply
    238,356,095.40x = 357,534,143.10 × 129,516,978.60
  4. Step 4: Simplify right side
    238,356,095.40x = 46,306,741,960,652,040
  5. Step 5: Solve for x
    x = 46,306,741,960,652,040/238,356,095.40
  6. Step 6: Final answer
    x = 194,275,467.90

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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.