Home / 52,803,081.40-79,218,618.90-18,720,873.40

Finding the Fourth Proportional to 52,803,081.40, 79,218,618.90 and 18,720,873.40

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Solution

The fourth proportional to 52,803,081.40, 79,218,618.90 and 18,720,873.40 is: 28,086,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,803,081.40 : 79,218,618.90 = 18,720,873.40 : x
  2. Step 2: Convert to fraction form
    52,803,081.40/79,218,618.90 = 18,720,873.40/x
  3. Step 3: Cross multiply
    52,803,081.40x = 79,218,618.90 × 18,720,873.40
  4. Step 4: Simplify right side
    52,803,081.40x = 1,483,041,735,349,747.25
  5. Step 5: Solve for x
    x = 1,483,041,735,349,747.25/52,803,081.40
  6. Step 6: Final answer
    x = 28,086,272.54

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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.