Home / 216,286,357.76-324,449,482.20-70,720,665.68

Finding the Fourth Proportional to 216,286,357.76, 324,449,482.20 and 70,720,665.68

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Solution

The fourth proportional to 216,286,357.76, 324,449,482.20 and 70,720,665.68 is: 106,087,520.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,286,357.76 : 324,449,482.20 = 70,720,665.68 : x
  2. Step 2: Convert to fraction form
    216,286,357.76/324,449,482.20 = 70,720,665.68/x
  3. Step 3: Cross multiply
    216,286,357.76x = 324,449,482.20 × 70,720,665.68
  4. Step 4: Simplify right side
    216,286,357.76x = 22,945,283,360,715,312
  5. Step 5: Solve for x
    x = 22,945,283,360,715,312/216,286,357.76
  6. Step 6: Final answer
    x = 106,087,520.26

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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.