Home / 126,376,521.60-189,582,497.10-49,681,712.10

Finding the Fourth Proportional to 126,376,521.60, 189,582,497.10 and 49,681,712.10

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Solution

The fourth proportional to 126,376,521.60, 189,582,497.10 and 49,681,712.10 is: 74,529,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,376,521.60 : 189,582,497.10 = 49,681,712.10 : x
  2. Step 2: Convert to fraction form
    126,376,521.60/189,582,497.10 = 49,681,712.10/x
  3. Step 3: Cross multiply
    126,376,521.60x = 189,582,497.10 × 49,681,712.10
  4. Step 4: Simplify right side
    126,376,521.60x = 9,418,783,040,121,284
  5. Step 5: Solve for x
    x = 9,418,783,040,121,284/126,376,521.60
  6. Step 6: Final answer
    x = 74,529,532.23

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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.