Home / 74,158,753.17-111,215,408.18-51,276,729.86

Finding the Fourth Proportional to 74,158,753.17, 111,215,408.18 and 51,276,729.86

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Solution

The fourth proportional to 74,158,753.17, 111,215,408.18 and 51,276,729.86 is: 76,899,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,158,753.17 : 111,215,408.18 = 51,276,729.86 : x
  2. Step 2: Convert to fraction form
    74,158,753.17/111,215,408.18 = 51,276,729.86/x
  3. Step 3: Cross multiply
    74,158,753.17x = 111,215,408.18 × 51,276,729.86
  4. Step 4: Simplify right side
    74,158,753.17x = 5,702,762,440,703,033
  5. Step 5: Solve for x
    x = 5,702,762,440,703,033/74,158,753.17
  6. Step 6: Final answer
    x = 76,899,384.05

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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.