Home / 317,221,863.50-475,725,034.02-109,911,890.72

Finding the Fourth Proportional to 317,221,863.50, 475,725,034.02 and 109,911,890.72

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Solution

The fourth proportional to 317,221,863.50, 475,725,034.02 and 109,911,890.72 is: 164,830,498.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,221,863.50 : 475,725,034.02 = 109,911,890.72 : x
  2. Step 2: Convert to fraction form
    317,221,863.50/475,725,034.02 = 109,911,890.72/x
  3. Step 3: Cross multiply
    317,221,863.50x = 475,725,034.02 × 109,911,890.72
  4. Step 4: Simplify right side
    317,221,863.50x = 52,287,837,951,974,520
  5. Step 5: Solve for x
    x = 52,287,837,951,974,520/317,221,863.50
  6. Step 6: Final answer
    x = 164,830,498.68

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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.