Home / 207,753,602.90-311,630,404.35-199,817,417.30

Finding the Fourth Proportional to 207,753,602.90, 311,630,404.35 and 199,817,417.30

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Solution

The fourth proportional to 207,753,602.90, 311,630,404.35 and 199,817,417.30 is: 299,726,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,753,602.90 : 311,630,404.35 = 199,817,417.30 : x
  2. Step 2: Convert to fraction form
    207,753,602.90/311,630,404.35 = 199,817,417.30/x
  3. Step 3: Cross multiply
    207,753,602.90x = 311,630,404.35 × 199,817,417.30
  4. Step 4: Simplify right side
    207,753,602.90x = 62,269,182,549,371,696
  5. Step 5: Solve for x
    x = 62,269,182,549,371,696/207,753,602.90
  6. Step 6: Final answer
    x = 299,726,125.95

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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.