Home / 70,136,747.47-96,791,700.66-39,196,915.84

Finding the Fourth Proportional to 70,136,747.47, 96,791,700.66 and 39,196,915.84

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Solution

The fourth proportional to 70,136,747.47, 96,791,700.66 and 39,196,915.84 is: 54,093,414.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,136,747.47 : 96,791,700.66 = 39,196,915.84 : x
  2. Step 2: Convert to fraction form
    70,136,747.47/96,791,700.66 = 39,196,915.84/x
  3. Step 3: Cross multiply
    70,136,747.47x = 96,791,700.66 × 39,196,915.84
  4. Step 4: Simplify right side
    70,136,747.47x = 3,793,936,144,780,492.50
  5. Step 5: Solve for x
    x = 3,793,936,144,780,492.50/70,136,747.47
  6. Step 6: Final answer
    x = 54,093,414.39

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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.