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Finding the Fourth Proportional to 247,849,228.80, 371,773,843.20 and 149,213,779.20

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Solution

The fourth proportional to 247,849,228.80, 371,773,843.20 and 149,213,779.20 is: 223,820,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,849,228.80 : 371,773,843.20 = 149,213,779.20 : x
  2. Step 2: Convert to fraction form
    247,849,228.80/371,773,843.20 = 149,213,779.20/x
  3. Step 3: Cross multiply
    247,849,228.80x = 371,773,843.20 × 149,213,779.20
  4. Step 4: Simplify right side
    247,849,228.80x = 55,473,780,151,580,216
  5. Step 5: Solve for x
    x = 55,473,780,151,580,216/247,849,228.80
  6. Step 6: Final answer
    x = 223,820,668.80

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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.