Home / 86,798,710.86-119,782,061.92-49,629,689.11

Finding the Fourth Proportional to 86,798,710.86, 119,782,061.92 and 49,629,689.11

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Solution

The fourth proportional to 86,798,710.86, 119,782,061.92 and 49,629,689.11 is: 68,488,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,798,710.86 : 119,782,061.92 = 49,629,689.11 : x
  2. Step 2: Convert to fraction form
    86,798,710.86/119,782,061.92 = 49,629,689.11/x
  3. Step 3: Cross multiply
    86,798,710.86x = 119,782,061.92 × 49,629,689.11
  4. Step 4: Simplify right side
    86,798,710.86x = 5,944,746,494,044,370
  5. Step 5: Solve for x
    x = 5,944,746,494,044,370/86,798,710.86
  6. Step 6: Final answer
    x = 68,488,880.02

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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.