Home / 258,226,234.20-387,362,612.17-83,353,414.40

Finding the Fourth Proportional to 258,226,234.20, 387,362,612.17 and 83,353,414.40

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Solution

The fourth proportional to 258,226,234.20, 387,362,612.17 and 83,353,414.40 is: 125,037,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,226,234.20 : 387,362,612.17 = 83,353,414.40 : x
  2. Step 2: Convert to fraction form
    258,226,234.20/387,362,612.17 = 83,353,414.40/x
  3. Step 3: Cross multiply
    258,226,234.20x = 387,362,612.17 × 83,353,414.40
  4. Step 4: Simplify right side
    258,226,234.20x = 32,287,996,334,891,648
  5. Step 5: Solve for x
    x = 32,287,996,334,891,648/258,226,234.20
  6. Step 6: Final answer
    x = 125,037,630.03

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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.