Home / 168,849,082.56-253,317,290.44-98,878,402.61

Finding the Fourth Proportional to 168,849,082.56, 253,317,290.44 and 98,878,402.61

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Solution

The fourth proportional to 168,849,082.56, 253,317,290.44 and 98,878,402.61 is: 148,343,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,849,082.56 : 253,317,290.44 = 98,878,402.61 : x
  2. Step 2: Convert to fraction form
    168,849,082.56/253,317,290.44 = 98,878,402.61/x
  3. Step 3: Cross multiply
    168,849,082.56x = 253,317,290.44 × 98,878,402.61
  4. Step 4: Simplify right side
    168,849,082.56x = 25,047,609,032,200,624
  5. Step 5: Solve for x
    x = 25,047,609,032,200,624/168,849,082.56
  6. Step 6: Final answer
    x = 148,343,175.17

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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.