Home / 61,971,014.65-85,519,871.75-34,093,657.78

Finding the Fourth Proportional to 61,971,014.65, 85,519,871.75 and 34,093,657.78

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Solution

The fourth proportional to 61,971,014.65, 85,519,871.75 and 34,093,657.78 is: 47,049,177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,971,014.65 : 85,519,871.75 = 34,093,657.78 : x
  2. Step 2: Convert to fraction form
    61,971,014.65/85,519,871.75 = 34,093,657.78/x
  3. Step 3: Cross multiply
    61,971,014.65x = 85,519,871.75 × 34,093,657.78
  4. Step 4: Simplify right side
    61,971,014.65x = 2,915,685,240,833,990
  5. Step 5: Solve for x
    x = 2,915,685,240,833,990/61,971,014.65
  6. Step 6: Final answer
    x = 47,049,177.06

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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.