Home / 117,448,052.40-176,172,078.60-81,168,346.80

Finding the Fourth Proportional to 117,448,052.40, 176,172,078.60 and 81,168,346.80

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Solution

The fourth proportional to 117,448,052.40, 176,172,078.60 and 81,168,346.80 is: 121,752,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,448,052.40 : 176,172,078.60 = 81,168,346.80 : x
  2. Step 2: Convert to fraction form
    117,448,052.40/176,172,078.60 = 81,168,346.80/x
  3. Step 3: Cross multiply
    117,448,052.40x = 176,172,078.60 × 81,168,346.80
  4. Step 4: Simplify right side
    117,448,052.40x = 14,299,596,372,281,658
  5. Step 5: Solve for x
    x = 14,299,596,372,281,658/117,448,052.40
  6. Step 6: Final answer
    x = 121,752,520.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.