Home / 98,297,882-135,651,135.52-54,837,818

Finding the Fourth Proportional to 98,297,882, 135,651,135.52 and 54,837,818

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Solution

The fourth proportional to 98,297,882, 135,651,135.52 and 54,837,818 is: 75,676,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,297,882 : 135,651,135.52 = 54,837,818 : x
  2. Step 2: Convert to fraction form
    98,297,882/135,651,135.52 = 54,837,818/x
  3. Step 3: Cross multiply
    98,297,882x = 135,651,135.52 × 54,837,818
  4. Step 4: Simplify right side
    98,297,882x = 7,438,812,281,139,096
  5. Step 5: Solve for x
    x = 7,438,812,281,139,096/98,297,882
  6. Step 6: Final answer
    x = 75,676,221.40

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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.