Home / 317,221,856.25-475,725,023.15-109,911,883.47

Finding the Fourth Proportional to 317,221,856.25, 475,725,023.15 and 109,911,883.47

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Solution

The fourth proportional to 317,221,856.25, 475,725,023.15 and 109,911,883.47 is: 164,830,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,221,856.25 : 475,725,023.15 = 109,911,883.47 : x
  2. Step 2: Convert to fraction form
    317,221,856.25/475,725,023.15 = 109,911,883.47/x
  3. Step 3: Cross multiply
    317,221,856.25x = 475,725,023.15 × 109,911,883.47
  4. Step 4: Simplify right side
    317,221,856.25x = 52,287,833,307,676,288
  5. Step 5: Solve for x
    x = 52,287,833,307,676,288/317,221,856.25
  6. Step 6: Final answer
    x = 164,830,487.80

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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.