Home / 118,341,008.40-177,511,512.60-89,643,194.40

Finding the Fourth Proportional to 118,341,008.40, 177,511,512.60 and 89,643,194.40

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Solution

The fourth proportional to 118,341,008.40, 177,511,512.60 and 89,643,194.40 is: 134,464,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,341,008.40 : 177,511,512.60 = 89,643,194.40 : x
  2. Step 2: Convert to fraction form
    118,341,008.40/177,511,512.60 = 89,643,194.40/x
  3. Step 3: Cross multiply
    118,341,008.40x = 177,511,512.60 × 89,643,194.40
  4. Step 4: Simplify right side
    118,341,008.40x = 15,912,699,032,239,850
  5. Step 5: Solve for x
    x = 15,912,699,032,239,850/118,341,008.40
  6. Step 6: Final answer
    x = 134,464,791.60

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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.