Home / 220,227,881.40-330,124,871.70-123,230,057.40

Finding the Fourth Proportional to 220,227,881.40, 330,124,871.70 and 123,230,057.40

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Solution

The fourth proportional to 220,227,881.40, 330,124,871.70 and 123,230,057.40 is: 184,723,689.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,227,881.40 : 330,124,871.70 = 123,230,057.40 : x
  2. Step 2: Convert to fraction form
    220,227,881.40/330,124,871.70 = 123,230,057.40/x
  3. Step 3: Cross multiply
    220,227,881.40x = 330,124,871.70 × 123,230,057.40
  4. Step 4: Simplify right side
    220,227,881.40x = 40,681,306,888,758,640
  5. Step 5: Solve for x
    x = 40,681,306,888,758,640/220,227,881.40
  6. Step 6: Final answer
    x = 184,723,689.98

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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.