Home / 215,757,701.40-323,636,552.10-125,114,424.60

Finding the Fourth Proportional to 215,757,701.40, 323,636,552.10 and 125,114,424.60

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Solution

The fourth proportional to 215,757,701.40, 323,636,552.10 and 125,114,424.60 is: 187,671,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,757,701.40 : 323,636,552.10 = 125,114,424.60 : x
  2. Step 2: Convert to fraction form
    215,757,701.40/323,636,552.10 = 125,114,424.60/x
  3. Step 3: Cross multiply
    215,757,701.40x = 323,636,552.10 × 125,114,424.60
  4. Step 4: Simplify right side
    215,757,701.40x = 40,491,600,995,519,424
  5. Step 5: Solve for x
    x = 40,491,600,995,519,424/215,757,701.40
  6. Step 6: Final answer
    x = 187,671,636.90

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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.