Home / 108,896,810.79-150,107,431.20-74,028,966.78

Finding the Fourth Proportional to 108,896,810.79, 150,107,431.20 and 74,028,966.78

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Solution

The fourth proportional to 108,896,810.79, 150,107,431.20 and 74,028,966.78 is: 102,044,292.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,896,810.79 : 150,107,431.20 = 74,028,966.78 : x
  2. Step 2: Convert to fraction form
    108,896,810.79/150,107,431.20 = 74,028,966.78/x
  3. Step 3: Cross multiply
    108,896,810.79x = 150,107,431.20 × 74,028,966.78
  4. Step 4: Simplify right side
    108,896,810.79x = 11,112,298,037,735,934
  5. Step 5: Solve for x
    x = 11,112,298,037,735,934/108,896,810.79
  6. Step 6: Final answer
    x = 102,044,292.73

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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.