Home / 113,919,105.33-157,209,120.10-61,708,140.52

Finding the Fourth Proportional to 113,919,105.33, 157,209,120.10 and 61,708,140.52

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Solution

The fourth proportional to 113,919,105.33, 157,209,120.10 and 61,708,140.52 is: 85,157,642.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,919,105.33 : 157,209,120.10 = 61,708,140.52 : x
  2. Step 2: Convert to fraction form
    113,919,105.33/157,209,120.10 = 61,708,140.52/x
  3. Step 3: Cross multiply
    113,919,105.33x = 157,209,120.10 × 61,708,140.52
  4. Step 4: Simplify right side
    113,919,105.33x = 9,701,082,473,840,468
  5. Step 5: Solve for x
    x = 9,701,082,473,840,468/113,919,105.33
  6. Step 6: Final answer
    x = 85,157,642.75

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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.