Home / 139,642,712.10-209,558,546.55-62,926,251.30

Finding the Fourth Proportional to 139,642,712.10, 209,558,546.55 and 62,926,251.30

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Solution

The fourth proportional to 139,642,712.10, 209,558,546.55 and 62,926,251.30 is: 94,431,951.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,642,712.10 : 209,558,546.55 = 62,926,251.30 : x
  2. Step 2: Convert to fraction form
    139,642,712.10/209,558,546.55 = 62,926,251.30/x
  3. Step 3: Cross multiply
    139,642,712.10x = 209,558,546.55 × 62,926,251.30
  4. Step 4: Simplify right side
    139,642,712.10x = 13,186,733,762,268,048
  5. Step 5: Solve for x
    x = 13,186,733,762,268,048/139,642,712.10
  6. Step 6: Final answer
    x = 94,431,951.11

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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.