Home / 130,080,453.56-179,494,478.78-74,329,479.66

Finding the Fourth Proportional to 130,080,453.56, 179,494,478.78 and 74,329,479.66

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Solution

The fourth proportional to 130,080,453.56, 179,494,478.78 and 74,329,479.66 is: 102,565,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,080,453.56 : 179,494,478.78 = 74,329,479.66 : x
  2. Step 2: Convert to fraction form
    130,080,453.56/179,494,478.78 = 74,329,479.66/x
  3. Step 3: Cross multiply
    130,080,453.56x = 179,494,478.78 × 74,329,479.66
  4. Step 4: Simplify right side
    130,080,453.56x = 13,341,731,209,188,664
  5. Step 5: Solve for x
    x = 13,341,731,209,188,664/130,080,453.56
  6. Step 6: Final answer
    x = 102,565,226.71

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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.