Home / 52,857,964.80-79,286,947.20-39,421,036.80

Finding the Fourth Proportional to 52,857,964.80, 79,286,947.20 and 39,421,036.80

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Solution

The fourth proportional to 52,857,964.80, 79,286,947.20 and 39,421,036.80 is: 59,131,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,857,964.80 : 79,286,947.20 = 39,421,036.80 : x
  2. Step 2: Convert to fraction form
    52,857,964.80/79,286,947.20 = 39,421,036.80/x
  3. Step 3: Cross multiply
    52,857,964.80x = 79,286,947.20 × 39,421,036.80
  4. Step 4: Simplify right side
    52,857,964.80x = 3,125,573,663,330,857
  5. Step 5: Solve for x
    x = 3,125,573,663,330,857/52,857,964.80
  6. Step 6: Final answer
    x = 59,131,555.20

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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.