Home / 54,416,040.40-81,712,534.20-39,375,528.40

Finding the Fourth Proportional to 54,416,040.40, 81,712,534.20 and 39,375,528.40

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Solution

The fourth proportional to 54,416,040.40, 81,712,534.20 and 39,375,528.40 is: 59,127,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,416,040.40 : 81,712,534.20 = 39,375,528.40 : x
  2. Step 2: Convert to fraction form
    54,416,040.40/81,712,534.20 = 39,375,528.40/x
  3. Step 3: Cross multiply
    54,416,040.40x = 81,712,534.20 × 39,375,528.40
  4. Step 4: Simplify right side
    54,416,040.40x = 3,217,474,211,028,071.50
  5. Step 5: Solve for x
    x = 3,217,474,211,028,071.50/54,416,040.40
  6. Step 6: Final answer
    x = 59,127,312.23

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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.