Home / 374,304,090.80-561,456,136.20-131,886,426.80

Finding the Fourth Proportional to 374,304,090.80, 561,456,136.20 and 131,886,426.80

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Solution

The fourth proportional to 374,304,090.80, 561,456,136.20 and 131,886,426.80 is: 197,829,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,304,090.80 : 561,456,136.20 = 131,886,426.80 : x
  2. Step 2: Convert to fraction form
    374,304,090.80/561,456,136.20 = 131,886,426.80/x
  3. Step 3: Cross multiply
    374,304,090.80x = 561,456,136.20 × 131,886,426.80
  4. Step 4: Simplify right side
    374,304,090.80x = 74,048,443,608,352,128
  5. Step 5: Solve for x
    x = 74,048,443,608,352,128/374,304,090.80
  6. Step 6: Final answer
    x = 197,829,640.20

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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.