Home / 286,716,809.88-430,073,987.34-79,454,628.52

Finding the Fourth Proportional to 286,716,809.88, 430,073,987.34 and 79,454,628.52

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Solution

The fourth proportional to 286,716,809.88, 430,073,987.34 and 79,454,628.52 is: 119,181,602.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,716,809.88 : 430,073,987.34 = 79,454,628.52 : x
  2. Step 2: Convert to fraction form
    286,716,809.88/430,073,987.34 = 79,454,628.52/x
  3. Step 3: Cross multiply
    286,716,809.88x = 430,073,987.34 × 79,454,628.52
  4. Step 4: Simplify right side
    286,716,809.88x = 34,171,368,900,214,880
  5. Step 5: Solve for x
    x = 34,171,368,900,214,880/286,716,809.88
  6. Step 6: Final answer
    x = 119,181,602.62

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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.