Home / 108,876,009.30-163,314,013.95-97,790,543.70

Finding the Fourth Proportional to 108,876,009.30, 163,314,013.95 and 97,790,543.70

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Solution

The fourth proportional to 108,876,009.30, 163,314,013.95 and 97,790,543.70 is: 146,685,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876,009.30 : 163,314,013.95 = 97,790,543.70 : x
  2. Step 2: Convert to fraction form
    108,876,009.30/163,314,013.95 = 97,790,543.70/x
  3. Step 3: Cross multiply
    108,876,009.30x = 163,314,013.95 × 97,790,543.70
  4. Step 4: Simplify right side
    108,876,009.30x = 15,970,566,217,999,884
  5. Step 5: Solve for x
    x = 15,970,566,217,999,884/108,876,009.30
  6. Step 6: Final answer
    x = 146,685,815.55

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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.