Home / 54,438,008.40-81,657,012.60-54,060,094.80

Finding the Fourth Proportional to 54,438,008.40, 81,657,012.60 and 54,060,094.80

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Solution

The fourth proportional to 54,438,008.40, 81,657,012.60 and 54,060,094.80 is: 81,090,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,438,008.40 : 81,657,012.60 = 54,060,094.80 : x
  2. Step 2: Convert to fraction form
    54,438,008.40/81,657,012.60 = 54,060,094.80/x
  3. Step 3: Cross multiply
    54,438,008.40x = 81,657,012.60 × 54,060,094.80
  4. Step 4: Simplify right side
    54,438,008.40x = 4,414,385,842,240,794
  5. Step 5: Solve for x
    x = 4,414,385,842,240,794/54,438,008.40
  6. Step 6: Final answer
    x = 81,090,142.20

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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.