Home / 239,681,705.95-330,989,190.20-226,624,012.98

Finding the Fourth Proportional to 239,681,705.95, 330,989,190.20 and 226,624,012.98

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Solution

The fourth proportional to 239,681,705.95, 330,989,190.20 and 226,624,012.98 is: 312,957,128.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,681,705.95 : 330,989,190.20 = 226,624,012.98 : x
  2. Step 2: Convert to fraction form
    239,681,705.95/330,989,190.20 = 226,624,012.98/x
  3. Step 3: Cross multiply
    239,681,705.95x = 330,989,190.20 × 226,624,012.98
  4. Step 4: Simplify right side
    239,681,705.95x = 75,010,098,536,124,480
  5. Step 5: Solve for x
    x = 75,010,098,536,124,480/239,681,705.95
  6. Step 6: Final answer
    x = 312,957,128.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.