Home / 114,925,983.40-172,472,955.90-80,913,759.40

Finding the Fourth Proportional to 114,925,983.40, 172,472,955.90 and 80,913,759.40

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Solution

The fourth proportional to 114,925,983.40, 172,472,955.90 and 80,913,759.40 is: 121,429,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,925,983.40 : 172,472,955.90 = 80,913,759.40 : x
  2. Step 2: Convert to fraction form
    114,925,983.40/172,472,955.90 = 80,913,759.40/x
  3. Step 3: Cross multiply
    114,925,983.40x = 172,472,955.90 × 80,913,759.40
  4. Step 4: Simplify right side
    114,925,983.40x = 13,955,435,256,699,412
  5. Step 5: Solve for x
    x = 13,955,435,256,699,412/114,925,983.40
  6. Step 6: Final answer
    x = 121,429,765.87

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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.