Home / 108,918,610.89-150,313,012.02-61,248,868.16

Finding the Fourth Proportional to 108,918,610.89, 150,313,012.02 and 61,248,868.16

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Solution

The fourth proportional to 108,918,610.89, 150,313,012.02 and 61,248,868.16 is: 84,526,434.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,918,610.89 : 150,313,012.02 = 61,248,868.16 : x
  2. Step 2: Convert to fraction form
    108,918,610.89/150,313,012.02 = 61,248,868.16/x
  3. Step 3: Cross multiply
    108,918,610.89x = 150,313,012.02 × 61,248,868.16
  4. Step 4: Simplify right side
    108,918,610.89x = 9,206,501,855,193,912
  5. Step 5: Solve for x
    x = 9,206,501,855,193,912/108,918,610.89
  6. Step 6: Final answer
    x = 84,526,434.74

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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.