Home / 347,740,721.60-521,611,082.40-105,372,132.80

Finding the Fourth Proportional to 347,740,721.60, 521,611,082.40 and 105,372,132.80

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Solution

The fourth proportional to 347,740,721.60, 521,611,082.40 and 105,372,132.80 is: 158,058,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,740,721.60 : 521,611,082.40 = 105,372,132.80 : x
  2. Step 2: Convert to fraction form
    347,740,721.60/521,611,082.40 = 105,372,132.80/x
  3. Step 3: Cross multiply
    347,740,721.60x = 521,611,082.40 × 105,372,132.80
  4. Step 4: Simplify right side
    347,740,721.60x = 54,963,272,244,604,536
  5. Step 5: Solve for x
    x = 54,963,272,244,604,536/347,740,721.60
  6. Step 6: Final answer
    x = 158,058,199.20

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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.