Home / 257,410,687.80-386,116,031.70-136,478,335.80

Finding the Fourth Proportional to 257,410,687.80, 386,116,031.70 and 136,478,335.80

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Solution

The fourth proportional to 257,410,687.80, 386,116,031.70 and 136,478,335.80 is: 204,717,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,410,687.80 : 386,116,031.70 = 136,478,335.80 : x
  2. Step 2: Convert to fraction form
    257,410,687.80/386,116,031.70 = 136,478,335.80/x
  3. Step 3: Cross multiply
    257,410,687.80x = 386,116,031.70 × 136,478,335.80
  4. Step 4: Simplify right side
    257,410,687.80x = 52,696,473,432,116,048
  5. Step 5: Solve for x
    x = 52,696,473,432,116,048/257,410,687.80
  6. Step 6: Final answer
    x = 204,717,503.70

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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.