Home / 54,312,500.85-81,468,751.28-47,297,479.65

Finding the Fourth Proportional to 54,312,500.85, 81,468,751.28 and 47,297,479.65

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Solution

The fourth proportional to 54,312,500.85, 81,468,751.28 and 47,297,479.65 is: 70,946,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312,500.85 : 81,468,751.28 = 47,297,479.65 : x
  2. Step 2: Convert to fraction form
    54,312,500.85/81,468,751.28 = 47,297,479.65/x
  3. Step 3: Cross multiply
    54,312,500.85x = 81,468,751.28 × 47,297,479.65
  4. Step 4: Simplify right side
    54,312,500.85x = 3,853,266,605,540,224
  5. Step 5: Solve for x
    x = 3,853,266,605,540,224/54,312,500.85
  6. Step 6: Final answer
    x = 70,946,219.48

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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.