Home / 198,514,877.20-297,772,315.80-147,496,541.20

Finding the Fourth Proportional to 198,514,877.20, 297,772,315.80 and 147,496,541.20

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Solution

The fourth proportional to 198,514,877.20, 297,772,315.80 and 147,496,541.20 is: 221,244,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,514,877.20 : 297,772,315.80 = 147,496,541.20 : x
  2. Step 2: Convert to fraction form
    198,514,877.20/297,772,315.80 = 147,496,541.20/x
  3. Step 3: Cross multiply
    198,514,877.20x = 297,772,315.80 × 147,496,541.20
  4. Step 4: Simplify right side
    198,514,877.20x = 43,920,386,645,614,112
  5. Step 5: Solve for x
    x = 43,920,386,645,614,112/198,514,877.20
  6. Step 6: Final answer
    x = 221,244,811.80

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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.