Home / 102,474,772.40-153,712,158.60-92,589,969.80

Finding the Fourth Proportional to 102,474,772.40, 153,712,158.60 and 92,589,969.80

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Solution

The fourth proportional to 102,474,772.40, 153,712,158.60 and 92,589,969.80 is: 138,884,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,474,772.40 : 153,712,158.60 = 92,589,969.80 : x
  2. Step 2: Convert to fraction form
    102,474,772.40/153,712,158.60 = 92,589,969.80/x
  3. Step 3: Cross multiply
    102,474,772.40x = 153,712,158.60 × 92,589,969.80
  4. Step 4: Simplify right side
    102,474,772.40x = 14,232,204,122,666,810
  5. Step 5: Solve for x
    x = 14,232,204,122,666,810/102,474,772.40
  6. Step 6: Final answer
    x = 138,884,954.70

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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.