Home / 68,853,503.28-103,293,883.98-19,669,781.10

Finding the Fourth Proportional to 68,853,503.28, 103,293,883.98 and 19,669,781.10

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Solution

The fourth proportional to 68,853,503.28, 103,293,883.98 and 19,669,781.10 is: 29,508,565.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,853,503.28 : 103,293,883.98 = 19,669,781.10 : x
  2. Step 2: Convert to fraction form
    68,853,503.28/103,293,883.98 = 19,669,781.10/x
  3. Step 3: Cross multiply
    68,853,503.28x = 103,293,883.98 × 19,669,781.10
  4. Step 4: Simplify right side
    68,853,503.28x = 2,031,768,086,855,397
  5. Step 5: Solve for x
    x = 2,031,768,086,855,397/68,853,503.28
  6. Step 6: Final answer
    x = 29,508,565.14

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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.