Home / 108,896,811.79-150,107,432.58-74,028,967.78

Finding the Fourth Proportional to 108,896,811.79, 150,107,432.58 and 74,028,967.78

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Solution

The fourth proportional to 108,896,811.79, 150,107,432.58 and 74,028,967.78 is: 102,044,294.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,896,811.79 : 150,107,432.58 = 74,028,967.78 : x
  2. Step 2: Convert to fraction form
    108,896,811.79/150,107,432.58 = 74,028,967.78/x
  3. Step 3: Cross multiply
    108,896,811.79x = 150,107,432.58 × 74,028,967.78
  4. Step 4: Simplify right side
    108,896,811.79x = 11,112,298,290,003,344
  5. Step 5: Solve for x
    x = 11,112,298,290,003,344/108,896,811.79
  6. Step 6: Final answer
    x = 102,044,294.11

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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.