Home / 280,676,698.96-421,010,273.40-83,940,562

Finding the Fourth Proportional to 280,676,698.96, 421,010,273.40 and 83,940,562

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Solution

The fourth proportional to 280,676,698.96, 421,010,273.40 and 83,940,562 is: 125,909,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,676,698.96 : 421,010,273.40 = 83,940,562 : x
  2. Step 2: Convert to fraction form
    280,676,698.96/421,010,273.40 = 83,940,562/x
  3. Step 3: Cross multiply
    280,676,698.96x = 421,010,273.40 × 83,940,562
  4. Step 4: Simplify right side
    280,676,698.96x = 35,339,838,956,969,648
  5. Step 5: Solve for x
    x = 35,339,838,956,969,648/280,676,698.96
  6. Step 6: Final answer
    x = 125,909,414.95

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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.