Home / 81,351,282.48-112,266,962.16-47,863,099.14

Finding the Fourth Proportional to 81,351,282.48, 112,266,962.16 and 47,863,099.14

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Solution

The fourth proportional to 81,351,282.48, 112,266,962.16 and 47,863,099.14 is: 66,052,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,351,282.48 : 112,266,962.16 = 47,863,099.14 : x
  2. Step 2: Convert to fraction form
    81,351,282.48/112,266,962.16 = 47,863,099.14/x
  3. Step 3: Cross multiply
    81,351,282.48x = 112,266,962.16 × 47,863,099.14
  4. Step 4: Simplify right side
    81,351,282.48x = 5,373,444,740,010,708
  5. Step 5: Solve for x
    x = 5,373,444,740,010,708/81,351,282.48
  6. Step 6: Final answer
    x = 66,052,366.68

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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.