Home / 98,124,215.43-135,412,325.46-54,072,790.74

Finding the Fourth Proportional to 98,124,215.43, 135,412,325.46 and 54,072,790.74

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Solution

The fourth proportional to 98,124,215.43, 135,412,325.46 and 54,072,790.74 is: 74,620,951.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,124,215.43 : 135,412,325.46 = 54,072,790.74 : x
  2. Step 2: Convert to fraction form
    98,124,215.43/135,412,325.46 = 54,072,790.74/x
  3. Step 3: Cross multiply
    98,124,215.43x = 135,412,325.46 × 54,072,790.74
  4. Step 4: Simplify right side
    98,124,215.43x = 7,322,122,338,215,355
  5. Step 5: Solve for x
    x = 7,322,122,338,215,355/98,124,215.43
  6. Step 6: Final answer
    x = 74,620,951.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.