Home / 272,026,809.60-408,040,214.40-255,020,697.60

Finding the Fourth Proportional to 272,026,809.60, 408,040,214.40 and 255,020,697.60

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Solution

The fourth proportional to 272,026,809.60, 408,040,214.40 and 255,020,697.60 is: 382,531,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,026,809.60 : 408,040,214.40 = 255,020,697.60 : x
  2. Step 2: Convert to fraction form
    272,026,809.60/408,040,214.40 = 255,020,697.60/x
  3. Step 3: Cross multiply
    272,026,809.60x = 408,040,214.40 × 255,020,697.60
  4. Step 4: Simplify right side
    272,026,809.60x = 104,058,700,125,141,552
  5. Step 5: Solve for x
    x = 104,058,700,125,141,552/272,026,809.60
  6. Step 6: Final answer
    x = 382,531,046.40

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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.