Home / 54,404,221.60-81,606,332.40-42,074,790.40

Finding the Fourth Proportional to 54,404,221.60, 81,606,332.40 and 42,074,790.40

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Solution

The fourth proportional to 54,404,221.60, 81,606,332.40 and 42,074,790.40 is: 63,112,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,404,221.60 : 81,606,332.40 = 42,074,790.40 : x
  2. Step 2: Convert to fraction form
    54,404,221.60/81,606,332.40 = 42,074,790.40/x
  3. Step 3: Cross multiply
    54,404,221.60x = 81,606,332.40 × 42,074,790.40
  4. Step 4: Simplify right side
    54,404,221.60x = 3,433,569,331,042,729
  5. Step 5: Solve for x
    x = 3,433,569,331,042,729/54,404,221.60
  6. Step 6: Final answer
    x = 63,112,185.60

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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.