Home / 247,751,200.80-371,626,801.20-86,193,136.80

Finding the Fourth Proportional to 247,751,200.80, 371,626,801.20 and 86,193,136.80

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Solution

The fourth proportional to 247,751,200.80, 371,626,801.20 and 86,193,136.80 is: 129,289,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,751,200.80 : 371,626,801.20 = 86,193,136.80 : x
  2. Step 2: Convert to fraction form
    247,751,200.80/371,626,801.20 = 86,193,136.80/x
  3. Step 3: Cross multiply
    247,751,200.80x = 371,626,801.20 × 86,193,136.80
  4. Step 4: Simplify right side
    247,751,200.80x = 32,031,679,714,378,004
  5. Step 5: Solve for x
    x = 32,031,679,714,378,004/247,751,200.80
  6. Step 6: Final answer
    x = 129,289,705.20

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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.