Home / 118,046,279.20-177,069,418.80-83,408,864.80

Finding the Fourth Proportional to 118,046,279.20, 177,069,418.80 and 83,408,864.80

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Solution

The fourth proportional to 118,046,279.20, 177,069,418.80 and 83,408,864.80 is: 125,113,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,046,279.20 : 177,069,418.80 = 83,408,864.80 : x
  2. Step 2: Convert to fraction form
    118,046,279.20/177,069,418.80 = 83,408,864.80/x
  3. Step 3: Cross multiply
    118,046,279.20x = 177,069,418.80 × 83,408,864.80
  4. Step 4: Simplify right side
    118,046,279.20x = 14,769,159,212,903,778
  5. Step 5: Solve for x
    x = 14,769,159,212,903,778/118,046,279.20
  6. Step 6: Final answer
    x = 125,113,297.20

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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.