Home / 98,384,109.20-135,768,653.52-54,332,972

Finding the Fourth Proportional to 98,384,109.20, 135,768,653.52 and 54,332,972

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Solution

The fourth proportional to 98,384,109.20, 135,768,653.52 and 54,332,972 is: 74,978,718.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,384,109.20 : 135,768,653.52 = 54,332,972 : x
  2. Step 2: Convert to fraction form
    98,384,109.20/135,768,653.52 = 54,332,972/x
  3. Step 3: Cross multiply
    98,384,109.20x = 135,768,653.52 × 54,332,972
  4. Step 4: Simplify right side
    98,384,109.20x = 7,376,714,450,179,862
  5. Step 5: Solve for x
    x = 7,376,714,450,179,862/98,384,109.20
  6. Step 6: Final answer
    x = 74,978,718.72

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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.