Home / 180,868,575.75-271,193,632.71-81,139,956.21

Finding the Fourth Proportional to 180,868,575.75, 271,193,632.71 and 81,139,956.21

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Solution

The fourth proportional to 180,868,575.75, 271,193,632.71 and 81,139,956.21 is: 121,660,931.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,868,575.75 : 271,193,632.71 = 81,139,956.21 : x
  2. Step 2: Convert to fraction form
    180,868,575.75/271,193,632.71 = 81,139,956.21/x
  3. Step 3: Cross multiply
    180,868,575.75x = 271,193,632.71 × 81,139,956.21
  4. Step 4: Simplify right side
    180,868,575.75x = 22,004,639,482,520,220
  5. Step 5: Solve for x
    x = 22,004,639,482,520,220/180,868,575.75
  6. Step 6: Final answer
    x = 121,660,931.93

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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.