Home / 78,804,925.30-118,207,387.96-48,571,837.30

Finding the Fourth Proportional to 78,804,925.30, 118,207,387.96 and 48,571,837.30

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Solution

The fourth proportional to 78,804,925.30, 118,207,387.96 and 48,571,837.30 is: 72,857,755.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,804,925.30 : 118,207,387.96 = 48,571,837.30 : x
  2. Step 2: Convert to fraction form
    78,804,925.30/118,207,387.96 = 48,571,837.30/x
  3. Step 3: Cross multiply
    78,804,925.30x = 118,207,387.96 × 48,571,837.30
  4. Step 4: Simplify right side
    78,804,925.30x = 5,741,550,015,651,098
  5. Step 5: Solve for x
    x = 5,741,550,015,651,098/78,804,925.30
  6. Step 6: Final answer
    x = 72,857,755.96

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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.