Home / 136,062,895.74-187,782,736.88-77,334,388.80

Finding the Fourth Proportional to 136,062,895.74, 187,782,736.88 and 77,334,388.80

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Solution

The fourth proportional to 136,062,895.74, 187,782,736.88 and 77,334,388.80 is: 106,730,516.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,062,895.74 : 187,782,736.88 = 77,334,388.80 : x
  2. Step 2: Convert to fraction form
    136,062,895.74/187,782,736.88 = 77,334,388.80/x
  3. Step 3: Cross multiply
    136,062,895.74x = 187,782,736.88 × 77,334,388.80
  4. Step 4: Simplify right side
    136,062,895.74x = 14,522,063,183,806,018
  5. Step 5: Solve for x
    x = 14,522,063,183,806,018/136,062,895.74
  6. Step 6: Final answer
    x = 106,730,516.83

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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.