Home / 98,936,764.40-148,335,608.46-43,578,326.72

Finding the Fourth Proportional to 98,936,764.40, 148,335,608.46 and 43,578,326.72

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Solution

The fourth proportional to 98,936,764.40, 148,335,608.46 and 43,578,326.72 is: 65,336,860.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,936,764.40 : 148,335,608.46 = 43,578,326.72 : x
  2. Step 2: Convert to fraction form
    98,936,764.40/148,335,608.46 = 43,578,326.72/x
  3. Step 3: Cross multiply
    98,936,764.40x = 148,335,608.46 × 43,578,326.72
  4. Step 4: Simplify right side
    98,936,764.40x = 6,464,217,609,679,876
  5. Step 5: Solve for x
    x = 6,464,217,609,679,876/98,936,764.40
  6. Step 6: Final answer
    x = 65,336,860.86

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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.