Home / 115,520,439.40-173,280,659.10-112,161,207.40

Finding the Fourth Proportional to 115,520,439.40, 173,280,659.10 and 112,161,207.40

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Solution

The fourth proportional to 115,520,439.40, 173,280,659.10 and 112,161,207.40 is: 168,241,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,520,439.40 : 173,280,659.10 = 112,161,207.40 : x
  2. Step 2: Convert to fraction form
    115,520,439.40/173,280,659.10 = 112,161,207.40/x
  3. Step 3: Cross multiply
    115,520,439.40x = 173,280,659.10 × 112,161,207.40
  4. Step 4: Simplify right side
    115,520,439.40x = 19,435,367,943,723,796
  5. Step 5: Solve for x
    x = 19,435,367,943,723,796/115,520,439.40
  6. Step 6: Final answer
    x = 168,241,811.10

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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.