Home / 70,136,747.78-96,791,701.07-39,196,916.15

Finding the Fourth Proportional to 70,136,747.78, 96,791,701.07 and 39,196,916.15

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Solution

The fourth proportional to 70,136,747.78, 96,791,701.07 and 39,196,916.15 is: 54,093,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,136,747.78 : 96,791,701.07 = 39,196,916.15 : x
  2. Step 2: Convert to fraction form
    70,136,747.78/96,791,701.07 = 39,196,916.15/x
  3. Step 3: Cross multiply
    70,136,747.78x = 96,791,701.07 × 39,196,916.15
  4. Step 4: Simplify right side
    70,136,747.78x = 3,793,936,190,470,689.50
  5. Step 5: Solve for x
    x = 3,793,936,190,470,689.50/70,136,747.78
  6. Step 6: Final answer
    x = 54,093,414.81

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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.