Home / 112,627,237.56-155,425,589.10-61,119,013.56

Finding the Fourth Proportional to 112,627,237.56, 155,425,589.10 and 61,119,013.56

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Solution

The fourth proportional to 112,627,237.56, 155,425,589.10 and 61,119,013.56 is: 84,344,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,627,237.56 : 155,425,589.10 = 61,119,013.56 : x
  2. Step 2: Convert to fraction form
    112,627,237.56/155,425,589.10 = 61,119,013.56/x
  3. Step 3: Cross multiply
    112,627,237.56x = 155,425,589.10 × 61,119,013.56
  4. Step 4: Simplify right side
    112,627,237.56x = 9,499,458,687,773,888
  5. Step 5: Solve for x
    x = 9,499,458,687,773,888/112,627,237.56
  6. Step 6: Final answer
    x = 84,344,239.40

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1.5x scale

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.