Home / 113,918,947.26-157,208,902.04-61,707,982.90

Finding the Fourth Proportional to 113,918,947.26, 157,208,902.04 and 61,707,982.90

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Solution

The fourth proportional to 113,918,947.26, 157,208,902.04 and 61,707,982.90 is: 85,157,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,918,947.26 : 157,208,902.04 = 61,707,982.90 : x
  2. Step 2: Convert to fraction form
    113,918,947.26/157,208,902.04 = 61,707,982.90/x
  3. Step 3: Cross multiply
    113,918,947.26x = 157,208,902.04 × 61,707,982.90
  4. Step 4: Simplify right side
    113,918,947.26x = 9,701,044,238,812,094
  5. Step 5: Solve for x
    x = 9,701,044,238,812,094/113,918,947.26
  6. Step 6: Final answer
    x = 85,157,425.28

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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.