Home / 108,918,605.89-150,313,005.12-61,248,863.15

Finding the Fourth Proportional to 108,918,605.89, 150,313,005.12 and 61,248,863.15

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Solution

The fourth proportional to 108,918,605.89, 150,313,005.12 and 61,248,863.15 is: 84,526,427.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,918,605.89 : 150,313,005.12 = 61,248,863.15 : x
  2. Step 2: Convert to fraction form
    108,918,605.89/150,313,005.12 = 61,248,863.15/x
  3. Step 3: Cross multiply
    108,918,605.89x = 150,313,005.12 × 61,248,863.15
  4. Step 4: Simplify right side
    108,918,605.89x = 9,206,500,680,260,130
  5. Step 5: Solve for x
    x = 9,206,500,680,260,130/108,918,605.89
  6. Step 6: Final answer
    x = 84,526,427.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.