Home / 157,464,656.70-236,315,083.05-80,748,195.90

Finding the Fourth Proportional to 157,464,656.70, 236,315,083.05 and 80,748,195.90

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Solution

The fourth proportional to 157,464,656.70, 236,315,083.05 and 80,748,195.90 is: 121,182,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,656.70 : 236,315,083.05 = 80,748,195.90 : x
  2. Step 2: Convert to fraction form
    157,464,656.70/236,315,083.05 = 80,748,195.90/x
  3. Step 3: Cross multiply
    157,464,656.70x = 236,315,083.05 × 80,748,195.90
  4. Step 4: Simplify right side
    157,464,656.70x = 19,082,016,620,246,172
  5. Step 5: Solve for x
    x = 19,082,016,620,246,172/157,464,656.70
  6. Step 6: Final answer
    x = 121,182,854.74

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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.