Home / 137,052,966.84-189,175,439.34-88,160,399.16

Finding the Fourth Proportional to 137,052,966.84, 189,175,439.34 and 88,160,399.16

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Solution

The fourth proportional to 137,052,966.84, 189,175,439.34 and 88,160,399.16 is: 121,688,589.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,052,966.84 : 189,175,439.34 = 88,160,399.16 : x
  2. Step 2: Convert to fraction form
    137,052,966.84/189,175,439.34 = 88,160,399.16/x
  3. Step 3: Cross multiply
    137,052,966.84x = 189,175,439.34 × 88,160,399.16
  4. Step 4: Simplify right side
    137,052,966.84x = 16,677,782,243,482,766
  5. Step 5: Solve for x
    x = 16,677,782,243,482,766/137,052,966.84
  6. Step 6: Final answer
    x = 121,688,589.66

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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.