Home / 163,363,780.80-245,045,671.20-126,375,487.20

Finding the Fourth Proportional to 163,363,780.80, 245,045,671.20 and 126,375,487.20

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Solution

The fourth proportional to 163,363,780.80, 245,045,671.20 and 126,375,487.20 is: 189,563,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,363,780.80 : 245,045,671.20 = 126,375,487.20 : x
  2. Step 2: Convert to fraction form
    163,363,780.80/245,045,671.20 = 126,375,487.20/x
  3. Step 3: Cross multiply
    163,363,780.80x = 245,045,671.20 × 126,375,487.20
  4. Step 4: Simplify right side
    163,363,780.80x = 30,967,766,084,151,008
  5. Step 5: Solve for x
    x = 30,967,766,084,151,008/163,363,780.80
  6. Step 6: Final answer
    x = 189,563,230.80

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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.