Home / 61,971,013.65-85,519,870.37-34,093,656.78

Finding the Fourth Proportional to 61,971,013.65, 85,519,870.37 and 34,093,656.78

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Solution

The fourth proportional to 61,971,013.65, 85,519,870.37 and 34,093,656.78 is: 47,049,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,971,013.65 : 85,519,870.37 = 34,093,656.78 : x
  2. Step 2: Convert to fraction form
    61,971,013.65/85,519,870.37 = 34,093,656.78/x
  3. Step 3: Cross multiply
    61,971,013.65x = 85,519,870.37 × 34,093,656.78
  4. Step 4: Simplify right side
    61,971,013.65x = 2,915,685,108,264,872
  5. Step 5: Solve for x
    x = 2,915,685,108,264,872/61,971,013.65
  6. Step 6: Final answer
    x = 47,049,175.68

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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.