Home / 198,118,052.80-297,177,079.20-152,768,420.80

Finding the Fourth Proportional to 198,118,052.80, 297,177,079.20 and 152,768,420.80

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Solution

The fourth proportional to 198,118,052.80, 297,177,079.20 and 152,768,420.80 is: 229,152,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,118,052.80 : 297,177,079.20 = 152,768,420.80 : x
  2. Step 2: Convert to fraction form
    198,118,052.80/297,177,079.20 = 152,768,420.80/x
  3. Step 3: Cross multiply
    198,118,052.80x = 297,177,079.20 × 152,768,420.80
  4. Step 4: Simplify right side
    198,118,052.80x = 45,399,273,087,340,528
  5. Step 5: Solve for x
    x = 45,399,273,087,340,528/198,118,052.80
  6. Step 6: Final answer
    x = 229,152,631.20

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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.