Home / 81,656,745.15-112,685,968.47-44,486,909.71

Finding the Fourth Proportional to 81,656,745.15, 112,685,968.47 and 44,486,909.71

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Solution

The fourth proportional to 81,656,745.15, 112,685,968.47 and 44,486,909.71 is: 61,391,750.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,656,745.15 : 112,685,968.47 = 44,486,909.71 : x
  2. Step 2: Convert to fraction form
    81,656,745.15/112,685,968.47 = 44,486,909.71/x
  3. Step 3: Cross multiply
    81,656,745.15x = 112,685,968.47 × 44,486,909.71
  4. Step 4: Simplify right side
    81,656,745.15x = 5,013,050,504,668,900
  5. Step 5: Solve for x
    x = 5,013,050,504,668,900/81,656,745.15
  6. Step 6: Final answer
    x = 61,391,750.25

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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.