Home / 114,934,091.40-172,485,117.90-80,921,867.40

Finding the Fourth Proportional to 114,934,091.40, 172,485,117.90 and 80,921,867.40

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Solution

The fourth proportional to 114,934,091.40, 172,485,117.90 and 80,921,867.40 is: 121,441,929.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,934,091.40 : 172,485,117.90 = 80,921,867.40 : x
  2. Step 2: Convert to fraction form
    114,934,091.40/172,485,117.90 = 80,921,867.40/x
  3. Step 3: Cross multiply
    114,934,091.40x = 172,485,117.90 × 80,921,867.40
  4. Step 4: Simplify right side
    114,934,091.40x = 13,957,817,839,177,168
  5. Step 5: Solve for x
    x = 13,957,817,839,177,168/114,934,091.40
  6. Step 6: Final answer
    x = 121,441,929.62

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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.