Home / 54,436,029.40-81,775,695.30-45,478,077.40

Finding the Fourth Proportional to 54,436,029.40, 81,775,695.30 and 45,478,077.40

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Solution

The fourth proportional to 54,436,029.40, 81,775,695.30 and 45,478,077.40 is: 68,318,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,436,029.40 : 81,775,695.30 = 45,478,077.40 : x
  2. Step 2: Convert to fraction form
    54,436,029.40/81,775,695.30 = 45,478,077.40/x
  3. Step 3: Cross multiply
    54,436,029.40x = 81,775,695.30 × 45,478,077.40
  4. Step 4: Simplify right side
    54,436,029.40x = 3,719,001,400,292,216
  5. Step 5: Solve for x
    x = 3,719,001,400,292,216/54,436,029.40
  6. Step 6: Final answer
    x = 68,318,748.47

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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.