Home / 77,491,240.88-106,933,962.12-42,683,182.16

Finding the Fourth Proportional to 77,491,240.88, 106,933,962.12 and 42,683,182.16

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Solution

The fourth proportional to 77,491,240.88, 106,933,962.12 and 42,683,182.16 is: 58,900,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,491,240.88 : 106,933,962.12 = 42,683,182.16 : x
  2. Step 2: Convert to fraction form
    77,491,240.88/106,933,962.12 = 42,683,182.16/x
  3. Step 3: Cross multiply
    77,491,240.88x = 106,933,962.12 × 42,683,182.16
  4. Step 4: Simplify right side
    77,491,240.88x = 4,564,281,784,258,500
  5. Step 5: Solve for x
    x = 4,564,281,784,258,500/77,491,240.88
  6. Step 6: Final answer
    x = 58,900,615.51

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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.