Home / 374,632,871.90-561,721,751.85-187,669,381.13

Finding the Fourth Proportional to 374,632,871.90, 561,721,751.85 and 187,669,381.13

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Solution

The fourth proportional to 374,632,871.90, 561,721,751.85 and 187,669,381.13 is: 281,390,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,632,871.90 : 561,721,751.85 = 187,669,381.13 : x
  2. Step 2: Convert to fraction form
    374,632,871.90/561,721,751.85 = 187,669,381.13/x
  3. Step 3: Cross multiply
    374,632,871.90x = 561,721,751.85 × 187,669,381.13
  4. Step 4: Simplify right side
    374,632,871.90x = 105,417,973,534,140,336
  5. Step 5: Solve for x
    x = 105,417,973,534,140,336/374,632,871.90
  6. Step 6: Final answer
    x = 281,390,079.30

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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.