Home / 98,289,780.80-147,434,671.20-43,702,260.80

Finding the Fourth Proportional to 98,289,780.80, 147,434,671.20 and 43,702,260.80

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Solution

The fourth proportional to 98,289,780.80, 147,434,671.20 and 43,702,260.80 is: 65,553,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,289,780.80 : 147,434,671.20 = 43,702,260.80 : x
  2. Step 2: Convert to fraction form
    98,289,780.80/147,434,671.20 = 43,702,260.80/x
  3. Step 3: Cross multiply
    98,289,780.80x = 147,434,671.20 × 43,702,260.80
  4. Step 4: Simplify right side
    98,289,780.80x = 6,443,228,451,744,648
  5. Step 5: Solve for x
    x = 6,443,228,451,744,648/98,289,780.80
  6. Step 6: Final answer
    x = 65,553,391.20

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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.