Home / 206,602,781.73-285,142,835.57-156,961,468.41

Finding the Fourth Proportional to 206,602,781.73, 285,142,835.57 and 156,961,468.41

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Solution

The fourth proportional to 206,602,781.73, 285,142,835.57 and 156,961,468.41 is: 216,630,375.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,602,781.73 : 285,142,835.57 = 156,961,468.41 : x
  2. Step 2: Convert to fraction form
    206,602,781.73/285,142,835.57 = 156,961,468.41/x
  3. Step 3: Cross multiply
    206,602,781.73x = 285,142,835.57 × 156,961,468.41
  4. Step 4: Simplify right side
    206,602,781.73x = 44,756,438,176,683,552
  5. Step 5: Solve for x
    x = 44,756,438,176,683,552/206,602,781.73
  6. Step 6: Final answer
    x = 216,630,375.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.