Home / 341,856,031.60-512,771,605.80-137,328,569.20

Finding the Fourth Proportional to 341,856,031.60, 512,771,605.80 and 137,328,569.20

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Solution

The fourth proportional to 341,856,031.60, 512,771,605.80 and 137,328,569.20 is: 205,987,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,856,031.60 : 512,771,605.80 = 137,328,569.20 : x
  2. Step 2: Convert to fraction form
    341,856,031.60/512,771,605.80 = 137,328,569.20/x
  3. Step 3: Cross multiply
    341,856,031.60x = 512,771,605.80 × 137,328,569.20
  4. Step 4: Simplify right side
    341,856,031.60x = 70,418,190,950,900,416
  5. Step 5: Solve for x
    x = 70,418,190,950,900,416/341,856,031.60
  6. Step 6: Final answer
    x = 205,987,855.83

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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.