Home / 113,786,172.14-157,024,917.76-61,575,207.78

Finding the Fourth Proportional to 113,786,172.14, 157,024,917.76 and 61,575,207.78

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Solution

The fourth proportional to 113,786,172.14, 157,024,917.76 and 61,575,207.78 is: 84,973,786.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,786,172.14 : 157,024,917.76 = 61,575,207.78 : x
  2. Step 2: Convert to fraction form
    113,786,172.14/157,024,917.76 = 61,575,207.78/x
  3. Step 3: Cross multiply
    113,786,172.14x = 157,024,917.76 × 61,575,207.78
  4. Step 4: Simplify right side
    113,786,172.14x = 9,668,841,937,555,474
  5. Step 5: Solve for x
    x = 9,668,841,937,555,474/113,786,172.14
  6. Step 6: Final answer
    x = 84,973,786.85

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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.