Home / 108,876,400.80-163,314,601.20-54,456,842.40

Finding the Fourth Proportional to 108,876,400.80, 163,314,601.20 and 54,456,842.40

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Solution

The fourth proportional to 108,876,400.80, 163,314,601.20 and 54,456,842.40 is: 81,685,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876,400.80 : 163,314,601.20 = 54,456,842.40 : x
  2. Step 2: Convert to fraction form
    108,876,400.80/163,314,601.20 = 54,456,842.40/x
  3. Step 3: Cross multiply
    108,876,400.80x = 163,314,601.20 × 54,456,842.40
  4. Step 4: Simplify right side
    108,876,400.80x = 8,893,597,499,167,250
  5. Step 5: Solve for x
    x = 8,893,597,499,167,250/108,876,400.80
  6. Step 6: Final answer
    x = 81,685,263.60

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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.