Home / 124,138,037.46-171,297,604.24-76,445,710.20

Finding the Fourth Proportional to 124,138,037.46, 171,297,604.24 and 76,445,710.20

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Solution

The fourth proportional to 124,138,037.46, 171,297,604.24 and 76,445,710.20 is: 105,487,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,138,037.46 : 171,297,604.24 = 76,445,710.20 : x
  2. Step 2: Convert to fraction form
    124,138,037.46/171,297,604.24 = 76,445,710.20/x
  3. Step 3: Cross multiply
    124,138,037.46x = 171,297,604.24 × 76,445,710.20
  4. Step 4: Simplify right side
    124,138,037.46x = 13,094,967,011,494,982
  5. Step 5: Solve for x
    x = 13,094,967,011,494,982/124,138,037.46
  6. Step 6: Final answer
    x = 105,487,143.82

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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.