Home / 117,249,678.11-175,876,013.89-30,987,339.57

Finding the Fourth Proportional to 117,249,678.11, 175,876,013.89 and 30,987,339.57

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Solution

The fourth proportional to 117,249,678.11, 175,876,013.89 and 30,987,339.57 is: 46,481,404.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,249,678.11 : 175,876,013.89 = 30,987,339.57 : x
  2. Step 2: Convert to fraction form
    117,249,678.11/175,876,013.89 = 30,987,339.57/x
  3. Step 3: Cross multiply
    117,249,678.11x = 175,876,013.89 × 30,987,339.57
  4. Step 4: Simplify right side
    117,249,678.11x = 5,449,929,764,627,466
  5. Step 5: Solve for x
    x = 5,449,929,764,627,466/117,249,678.11
  6. Step 6: Final answer
    x = 46,481,404.92

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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.