Home / 254,668,335.20-382,002,502.80-72,915,513.20

Finding the Fourth Proportional to 254,668,335.20, 382,002,502.80 and 72,915,513.20

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Solution

The fourth proportional to 254,668,335.20, 382,002,502.80 and 72,915,513.20 is: 109,373,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,668,335.20 : 382,002,502.80 = 72,915,513.20 : x
  2. Step 2: Convert to fraction form
    254,668,335.20/382,002,502.80 = 72,915,513.20/x
  3. Step 3: Cross multiply
    254,668,335.20x = 382,002,502.80 × 72,915,513.20
  4. Step 4: Simplify right side
    254,668,335.20x = 27,853,908,535,346,440
  5. Step 5: Solve for x
    x = 27,853,908,535,346,440/254,668,335.20
  6. Step 6: Final answer
    x = 109,373,269.80

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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.