Home / 113,942,972.20-157,241,088.82-61,733,305.48

Finding the Fourth Proportional to 113,942,972.20, 157,241,088.82 and 61,733,305.48

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Solution

The fourth proportional to 113,942,972.20, 157,241,088.82 and 61,733,305.48 is: 85,191,846.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,942,972.20 : 157,241,088.82 = 61,733,305.48 : x
  2. Step 2: Convert to fraction form
    113,942,972.20/157,241,088.82 = 61,733,305.48/x
  3. Step 3: Cross multiply
    113,942,972.20x = 157,241,088.82 × 61,733,305.48
  4. Step 4: Simplify right side
    113,942,972.20x = 9,707,012,170,132,872
  5. Step 5: Solve for x
    x = 9,707,012,170,132,872/113,942,972.20
  6. Step 6: Final answer
    x = 85,191,846.26

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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.