Home / 374,632,871.40-561,721,751.10-187,669,380.62

Finding the Fourth Proportional to 374,632,871.40, 561,721,751.10 and 187,669,380.62

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Solution

The fourth proportional to 374,632,871.40, 561,721,751.10 and 187,669,380.62 is: 281,390,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,632,871.40 : 561,721,751.10 = 187,669,380.62 : x
  2. Step 2: Convert to fraction form
    374,632,871.40/561,721,751.10 = 187,669,380.62/x
  3. Step 3: Cross multiply
    374,632,871.40x = 561,721,751.10 × 187,669,380.62
  4. Step 4: Simplify right side
    374,632,871.40x = 105,417,973,111,123,120
  5. Step 5: Solve for x
    x = 105,417,973,111,123,120/374,632,871.40
  6. Step 6: Final answer
    x = 281,390,078.55

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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.