Home / 55,310,421.04-76,328,385.24-30,530,613.76

Finding the Fourth Proportional to 55,310,421.04, 76,328,385.24 and 30,530,613.76

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Solution

The fourth proportional to 55,310,421.04, 76,328,385.24 and 30,530,613.76 is: 42,132,249.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,310,421.04 : 76,328,385.24 = 30,530,613.76 : x
  2. Step 2: Convert to fraction form
    55,310,421.04/76,328,385.24 = 30,530,613.76/x
  3. Step 3: Cross multiply
    55,310,421.04x = 76,328,385.24 × 30,530,613.76
  4. Step 4: Simplify right side
    55,310,421.04x = 2,330,352,448,686,925
  5. Step 5: Solve for x
    x = 2,330,352,448,686,925/55,310,421.04
  6. Step 6: Final answer
    x = 42,132,249.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.