Home / 118,341,242.10-177,511,863.15-66,685,176.90

Finding the Fourth Proportional to 118,341,242.10, 177,511,863.15 and 66,685,176.90

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Solution

The fourth proportional to 118,341,242.10, 177,511,863.15 and 66,685,176.90 is: 100,027,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,341,242.10 : 177,511,863.15 = 66,685,176.90 : x
  2. Step 2: Convert to fraction form
    118,341,242.10/177,511,863.15 = 66,685,176.90/x
  3. Step 3: Cross multiply
    118,341,242.10x = 177,511,863.15 × 66,685,176.90
  4. Step 4: Simplify right side
    118,341,242.10x = 11,837,409,996,006,342
  5. Step 5: Solve for x
    x = 11,837,409,996,006,342/118,341,242.10
  6. Step 6: Final answer
    x = 100,027,765.35

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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.