Home / 113,786,168.11-157,024,912.16-61,575,203.75

Finding the Fourth Proportional to 113,786,168.11, 157,024,912.16 and 61,575,203.75

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Solution

The fourth proportional to 113,786,168.11, 157,024,912.16 and 61,575,203.75 is: 84,973,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,786,168.11 : 157,024,912.16 = 61,575,203.75 : x
  2. Step 2: Convert to fraction form
    113,786,168.11/157,024,912.16 = 61,575,203.75/x
  3. Step 3: Cross multiply
    113,786,168.11x = 157,024,912.16 × 61,575,203.75
  4. Step 4: Simplify right side
    113,786,168.11x = 9,668,840,960,329,930
  5. Step 5: Solve for x
    x = 9,668,840,960,329,930/113,786,168.11
  6. Step 6: Final answer
    x = 84,973,781.27

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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.