Home / 55,316,698.11-76,336,575.18-30,536,352.85

Finding the Fourth Proportional to 55,316,698.11, 76,336,575.18 and 30,536,352.85

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Solution

The fourth proportional to 55,316,698.11, 76,336,575.18 and 30,536,352.85 is: 42,139,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,698.11 : 76,336,575.18 = 30,536,352.85 : x
  2. Step 2: Convert to fraction form
    55,316,698.11/76,336,575.18 = 30,536,352.85/x
  3. Step 3: Cross multiply
    55,316,698.11x = 76,336,575.18 × 30,536,352.85
  4. Step 4: Simplify right side
    55,316,698.11x = 2,331,040,595,057,032.50
  5. Step 5: Solve for x
    x = 2,331,040,595,057,032.50/55,316,698.11
  6. Step 6: Final answer
    x = 42,139,908.47

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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.