Home / 113,786,171.39-157,024,916.72-61,575,207.03

Finding the Fourth Proportional to 113,786,171.39, 157,024,916.72 and 61,575,207.03

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Solution

The fourth proportional to 113,786,171.39, 157,024,916.72 and 61,575,207.03 is: 84,973,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,786,171.39 : 157,024,916.72 = 61,575,207.03 : x
  2. Step 2: Convert to fraction form
    113,786,171.39/157,024,916.72 = 61,575,207.03/x
  3. Step 3: Cross multiply
    113,786,171.39x = 157,024,916.72 × 61,575,207.03
  4. Step 4: Simplify right side
    113,786,171.39x = 9,668,841,756,056,446
  5. Step 5: Solve for x
    x = 9,668,841,756,056,446/113,786,171.39
  6. Step 6: Final answer
    x = 84,973,785.81

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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.