Home / 247,128,235.74-370,680,373.62-91,712,342.10

Finding the Fourth Proportional to 247,128,235.74, 370,680,373.62 and 91,712,342.10

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Solution

The fourth proportional to 247,128,235.74, 370,680,373.62 and 91,712,342.10 is: 137,564,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,128,235.74 : 370,680,373.62 = 91,712,342.10 : x
  2. Step 2: Convert to fraction form
    247,128,235.74/370,680,373.62 = 91,712,342.10/x
  3. Step 3: Cross multiply
    247,128,235.74x = 370,680,373.62 × 91,712,342.10
  4. Step 4: Simplify right side
    247,128,235.74x = 33,995,965,235,193,252
  5. Step 5: Solve for x
    x = 33,995,965,235,193,252/247,128,235.74
  6. Step 6: Final answer
    x = 137,564,067.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.