Home / 55,316,616.27-76,334,930.19-30,536,271.69

Finding the Fourth Proportional to 55,316,616.27, 76,334,930.19 and 30,536,271.69

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Solution

The fourth proportional to 55,316,616.27, 76,334,930.19 and 30,536,271.69 is: 42,138,950.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,616.27 : 76,334,930.19 = 30,536,271.69 : x
  2. Step 2: Convert to fraction form
    55,316,616.27/76,334,930.19 = 30,536,271.69/x
  3. Step 3: Cross multiply
    55,316,616.27x = 76,334,930.19 × 30,536,271.69
  4. Step 4: Simplify right side
    55,316,616.27x = 2,330,984,167,719,023.50
  5. Step 5: Solve for x
    x = 2,330,984,167,719,023.50/55,316,616.27
  6. Step 6: Final answer
    x = 42,138,950.73

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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.