Home / 52,840,979.20-79,186,819.20-39,086,790.40

Finding the Fourth Proportional to 52,840,979.20, 79,186,819.20 and 39,086,790.40

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Solution

The fourth proportional to 52,840,979.20, 79,186,819.20 and 39,086,790.40 is: 58,574,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,840,979.20 : 79,186,819.20 = 39,086,790.40 : x
  2. Step 2: Convert to fraction form
    52,840,979.20/79,186,819.20 = 39,086,790.40/x
  3. Step 3: Cross multiply
    52,840,979.20x = 79,186,819.20 × 39,086,790.40
  4. Step 4: Simplify right side
    52,840,979.20x = 3,095,158,604,513,095.50
  5. Step 5: Solve for x
    x = 3,095,158,604,513,095.50/52,840,979.20
  6. Step 6: Final answer
    x = 58,574,966.84

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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.