Home / 161,280,512.80-241,920,769.20-53,575,136.80

Finding the Fourth Proportional to 161,280,512.80, 241,920,769.20 and 53,575,136.80

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Solution

The fourth proportional to 161,280,512.80, 241,920,769.20 and 53,575,136.80 is: 80,362,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,280,512.80 : 241,920,769.20 = 53,575,136.80 : x
  2. Step 2: Convert to fraction form
    161,280,512.80/241,920,769.20 = 53,575,136.80/x
  3. Step 3: Cross multiply
    161,280,512.80x = 241,920,769.20 × 53,575,136.80
  4. Step 4: Simplify right side
    161,280,512.80x = 12,960,938,304,651,226
  5. Step 5: Solve for x
    x = 12,960,938,304,651,226/161,280,512.80
  6. Step 6: Final answer
    x = 80,362,705.20

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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.