Home / 220,064,561.40-330,096,842.10-155,494,479.90

Finding the Fourth Proportional to 220,064,561.40, 330,096,842.10 and 155,494,479.90

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Solution

The fourth proportional to 220,064,561.40, 330,096,842.10 and 155,494,479.90 is: 233,241,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,064,561.40 : 330,096,842.10 = 155,494,479.90 : x
  2. Step 2: Convert to fraction form
    220,064,561.40/330,096,842.10 = 155,494,479.90/x
  3. Step 3: Cross multiply
    220,064,561.40x = 330,096,842.10 × 155,494,479.90
  4. Step 4: Simplify right side
    220,064,561.40x = 51,328,236,778,971,928
  5. Step 5: Solve for x
    x = 51,328,236,778,971,928/220,064,561.40
  6. Step 6: Final answer
    x = 233,241,719.85

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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.