Home / 193,065,846.40-289,346,827.20-77,956,163.20

Finding the Fourth Proportional to 193,065,846.40, 289,346,827.20 and 77,956,163.20

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Solution

The fourth proportional to 193,065,846.40, 289,346,827.20 and 77,956,163.20 is: 116,832,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,065,846.40 : 289,346,827.20 = 77,956,163.20 : x
  2. Step 2: Convert to fraction form
    193,065,846.40/289,346,827.20 = 77,956,163.20/x
  3. Step 3: Cross multiply
    193,065,846.40x = 289,346,827.20 × 77,956,163.20
  4. Step 4: Simplify right side
    193,065,846.40x = 22,556,368,482,605,400
  5. Step 5: Solve for x
    x = 22,556,368,482,605,400/193,065,846.40
  6. Step 6: Final answer
    x = 116,832,515.45

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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.