Home / 256,746,766.56-385,105,974.06-187,730,295.36

Finding the Fourth Proportional to 256,746,766.56, 385,105,974.06 and 187,730,295.36

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Solution

The fourth proportional to 256,746,766.56, 385,105,974.06 and 187,730,295.36 is: 281,585,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,746,766.56 : 385,105,974.06 = 187,730,295.36 : x
  2. Step 2: Convert to fraction form
    256,746,766.56/385,105,974.06 = 187,730,295.36/x
  3. Step 3: Cross multiply
    256,746,766.56x = 385,105,974.06 × 187,730,295.36
  4. Step 4: Simplify right side
    256,746,766.56x = 72,296,058,255,184,304
  5. Step 5: Solve for x
    x = 72,296,058,255,184,304/256,746,766.56
  6. Step 6: Final answer
    x = 281,585,077.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.