Home / 230,990,970.80-346,486,456.20-144,994,631.60

Finding the Fourth Proportional to 230,990,970.80, 346,486,456.20 and 144,994,631.60

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Solution

The fourth proportional to 230,990,970.80, 346,486,456.20 and 144,994,631.60 is: 217,491,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,990,970.80 : 346,486,456.20 = 144,994,631.60 : x
  2. Step 2: Convert to fraction form
    230,990,970.80/346,486,456.20 = 144,994,631.60/x
  3. Step 3: Cross multiply
    230,990,970.80x = 346,486,456.20 × 144,994,631.60
  4. Step 4: Simplify right side
    230,990,970.80x = 50,238,676,071,108,536
  5. Step 5: Solve for x
    x = 50,238,676,071,108,536/230,990,970.80
  6. Step 6: Final answer
    x = 217,491,947.40

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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.