Home / 53,211,694.12-79,820,390.76-16,817,315.20

Finding the Fourth Proportional to 53,211,694.12, 79,820,390.76 and 16,817,315.20

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Solution

The fourth proportional to 53,211,694.12, 79,820,390.76 and 16,817,315.20 is: 25,226,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,211,694.12 : 79,820,390.76 = 16,817,315.20 : x
  2. Step 2: Convert to fraction form
    53,211,694.12/79,820,390.76 = 16,817,315.20/x
  3. Step 3: Cross multiply
    53,211,694.12x = 79,820,390.76 × 16,817,315.20
  4. Step 4: Simplify right side
    53,211,694.12x = 1,342,364,670,798,087.50
  5. Step 5: Solve for x
    x = 1,342,364,670,798,087.50/53,211,694.12
  6. Step 6: Final answer
    x = 25,226,873.40

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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.