Home / 117,151,976.04-161,671,042.17-66,922,846.80

Finding the Fourth Proportional to 117,151,976.04, 161,671,042.17 and 66,922,846.80

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Solution

The fourth proportional to 117,151,976.04, 161,671,042.17 and 66,922,846.80 is: 92,354,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,151,976.04 : 161,671,042.17 = 66,922,846.80 : x
  2. Step 2: Convert to fraction form
    117,151,976.04/161,671,042.17 = 66,922,846.80/x
  3. Step 3: Cross multiply
    117,151,976.04x = 161,671,042.17 × 66,922,846.80
  4. Step 4: Simplify right side
    117,151,976.04x = 10,819,486,387,139,248
  5. Step 5: Solve for x
    x = 10,819,486,387,139,248/117,151,976.04
  6. Step 6: Final answer
    x = 92,354,279.91

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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.