Home / 77,491,206.88-106,933,915.20-42,683,148.16

Finding the Fourth Proportional to 77,491,206.88, 106,933,915.20 and 42,683,148.16

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Solution

The fourth proportional to 77,491,206.88, 106,933,915.20 and 42,683,148.16 is: 58,900,568.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,491,206.88 : 106,933,915.20 = 42,683,148.16 : x
  2. Step 2: Convert to fraction form
    77,491,206.88/106,933,915.20 = 42,683,148.16/x
  3. Step 3: Cross multiply
    77,491,206.88x = 106,933,915.20 × 42,683,148.16
  4. Step 4: Simplify right side
    77,491,206.88x = 4,564,276,145,810,476
  5. Step 5: Solve for x
    x = 4,564,276,145,810,476/77,491,206.88
  6. Step 6: Final answer
    x = 58,900,568.59

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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.