Home / 137,052,963.84-189,175,435.20-88,160,396.16

Finding the Fourth Proportional to 137,052,963.84, 189,175,435.20 and 88,160,396.16

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Solution

The fourth proportional to 137,052,963.84, 189,175,435.20 and 88,160,396.16 is: 121,688,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,052,963.84 : 189,175,435.20 = 88,160,396.16 : x
  2. Step 2: Convert to fraction form
    137,052,963.84/189,175,435.20 = 88,160,396.16/x
  3. Step 3: Cross multiply
    137,052,963.84x = 189,175,435.20 × 88,160,396.16
  4. Step 4: Simplify right side
    137,052,963.84x = 16,677,781,310,972,408
  5. Step 5: Solve for x
    x = 16,677,781,310,972,408/137,052,963.84
  6. Step 6: Final answer
    x = 121,688,585.52

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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.