Home / 280,061,638.04-386,125,777.68-229,640,085.74

Finding the Fourth Proportional to 280,061,638.04, 386,125,777.68 and 229,640,085.74

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Solution

The fourth proportional to 280,061,638.04, 386,125,777.68 and 229,640,085.74 is: 316,608,719.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,061,638.04 : 386,125,777.68 = 229,640,085.74 : x
  2. Step 2: Convert to fraction form
    280,061,638.04/386,125,777.68 = 229,640,085.74/x
  3. Step 3: Cross multiply
    280,061,638.04x = 386,125,777.68 × 229,640,085.74
  4. Step 4: Simplify right side
    280,061,638.04x = 88,669,956,692,963,536
  5. Step 5: Solve for x
    x = 88,669,956,692,963,536/280,061,638.04
  6. Step 6: Final answer
    x = 316,608,719.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.