Home / 54,405,103.60-81,607,655.40-47,319,223.60

Finding the Fourth Proportional to 54,405,103.60, 81,607,655.40 and 47,319,223.60

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Solution

The fourth proportional to 54,405,103.60, 81,607,655.40 and 47,319,223.60 is: 70,978,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,405,103.60 : 81,607,655.40 = 47,319,223.60 : x
  2. Step 2: Convert to fraction form
    54,405,103.60/81,607,655.40 = 47,319,223.60/x
  3. Step 3: Cross multiply
    54,405,103.60x = 81,607,655.40 × 47,319,223.60
  4. Step 4: Simplify right side
    54,405,103.60x = 3,861,610,893,344,348
  5. Step 5: Solve for x
    x = 3,861,610,893,344,348/54,405,103.60
  6. Step 6: Final answer
    x = 70,978,835.40

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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.