Home / 219,770,141.10-329,655,211.65-66,439,862.70

Finding the Fourth Proportional to 219,770,141.10, 329,655,211.65 and 66,439,862.70

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Solution

The fourth proportional to 219,770,141.10, 329,655,211.65 and 66,439,862.70 is: 99,659,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,770,141.10 : 329,655,211.65 = 66,439,862.70 : x
  2. Step 2: Convert to fraction form
    219,770,141.10/329,655,211.65 = 66,439,862.70/x
  3. Step 3: Cross multiply
    219,770,141.10x = 329,655,211.65 × 66,439,862.70
  4. Step 4: Simplify right side
    219,770,141.10x = 21,902,247,000,365,440
  5. Step 5: Solve for x
    x = 21,902,247,000,365,440/219,770,141.10
  6. Step 6: Final answer
    x = 99,659,794.05

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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.