Home / 86,110,381.13-118,834,286.49-48,934,803.78

Finding the Fourth Proportional to 86,110,381.13, 118,834,286.49 and 48,934,803.78

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Solution

The fourth proportional to 86,110,381.13, 118,834,286.49 and 48,934,803.78 is: 67,531,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,110,381.13 : 118,834,286.49 = 48,934,803.78 : x
  2. Step 2: Convert to fraction form
    86,110,381.13/118,834,286.49 = 48,934,803.78/x
  3. Step 3: Cross multiply
    86,110,381.13x = 118,834,286.49 × 48,934,803.78
  4. Step 4: Simplify right side
    86,110,381.13x = 5,815,132,491,724,455
  5. Step 5: Solve for x
    x = 5,815,132,491,724,455/86,110,381.13
  6. Step 6: Final answer
    x = 67,531,143.35

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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.