Home / 108,877,600.80-163,316,401.20-54,458,042.40

Finding the Fourth Proportional to 108,877,600.80, 163,316,401.20 and 54,458,042.40

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Solution

The fourth proportional to 108,877,600.80, 163,316,401.20 and 54,458,042.40 is: 81,687,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,877,600.80 : 163,316,401.20 = 54,458,042.40 : x
  2. Step 2: Convert to fraction form
    108,877,600.80/163,316,401.20 = 54,458,042.40/x
  3. Step 3: Cross multiply
    108,877,600.80x = 163,316,401.20 × 54,458,042.40
  4. Step 4: Simplify right side
    108,877,600.80x = 8,893,891,501,165,010
  5. Step 5: Solve for x
    x = 8,893,891,501,165,010/108,877,600.80
  6. Step 6: Final answer
    x = 81,687,063.60

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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.