Home / 54,464,139.60-81,612,228.60-47,241,790.80

Finding the Fourth Proportional to 54,464,139.60, 81,612,228.60 and 47,241,790.80

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Solution

The fourth proportional to 54,464,139.60, 81,612,228.60 and 47,241,790.80 is: 70,789,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,464,139.60 : 81,612,228.60 = 47,241,790.80 : x
  2. Step 2: Convert to fraction form
    54,464,139.60/81,612,228.60 = 47,241,790.80/x
  3. Step 3: Cross multiply
    54,464,139.60x = 81,612,228.60 × 47,241,790.80
  4. Step 4: Simplify right side
    54,464,139.60x = 3,855,507,830,242,976.50
  5. Step 5: Solve for x
    x = 3,855,507,830,242,976.50/54,464,139.60
  6. Step 6: Final answer
    x = 70,789,841.88

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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.