Home / 52,803,080.90-79,218,618.15-18,720,872.90

Finding the Fourth Proportional to 52,803,080.90, 79,218,618.15 and 18,720,872.90

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Solution

The fourth proportional to 52,803,080.90, 79,218,618.15 and 18,720,872.90 is: 28,086,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,803,080.90 : 79,218,618.15 = 18,720,872.90 : x
  2. Step 2: Convert to fraction form
    52,803,080.90/79,218,618.15 = 18,720,872.90/x
  3. Step 3: Cross multiply
    52,803,080.90x = 79,218,618.15 × 18,720,872.90
  4. Step 4: Simplify right side
    52,803,080.90x = 1,483,041,681,699,783.25
  5. Step 5: Solve for x
    x = 1,483,041,681,699,783.25/52,803,080.90
  6. Step 6: Final answer
    x = 28,086,271.79

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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.