Home / 66,057,085.40-98,889,672.90-49,092,963.80

Finding the Fourth Proportional to 66,057,085.40, 98,889,672.90 and 49,092,963.80

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Solution

The fourth proportional to 66,057,085.40, 98,889,672.90 and 49,092,963.80 is: 73,493,813.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,057,085.40 : 98,889,672.90 = 49,092,963.80 : x
  2. Step 2: Convert to fraction form
    66,057,085.40/98,889,672.90 = 49,092,963.80/x
  3. Step 3: Cross multiply
    66,057,085.40x = 98,889,672.90 × 49,092,963.80
  4. Step 4: Simplify right side
    66,057,085.40x = 4,854,787,131,873,541
  5. Step 5: Solve for x
    x = 4,854,787,131,873,541/66,057,085.40
  6. Step 6: Final answer
    x = 73,493,813.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.