Home / 286,716,808.88-430,073,985.84-79,454,627.52

Finding the Fourth Proportional to 286,716,808.88, 430,073,985.84 and 79,454,627.52

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Solution

The fourth proportional to 286,716,808.88, 430,073,985.84 and 79,454,627.52 is: 119,181,601.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,716,808.88 : 430,073,985.84 = 79,454,627.52 : x
  2. Step 2: Convert to fraction form
    286,716,808.88/430,073,985.84 = 79,454,627.52/x
  3. Step 3: Cross multiply
    286,716,808.88x = 430,073,985.84 × 79,454,627.52
  4. Step 4: Simplify right side
    286,716,808.88x = 34,171,368,350,958,952
  5. Step 5: Solve for x
    x = 34,171,368,350,958,952/286,716,808.88
  6. Step 6: Final answer
    x = 119,181,601.12

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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.