Home / 100,912,833.60-151,361,377.20-39,490,063.80

Finding the Fourth Proportional to 100,912,833.60, 151,361,377.20 and 39,490,063.80

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Solution

The fourth proportional to 100,912,833.60, 151,361,377.20 and 39,490,063.80 is: 59,232,014.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,912,833.60 : 151,361,377.20 = 39,490,063.80 : x
  2. Step 2: Convert to fraction form
    100,912,833.60/151,361,377.20 = 39,490,063.80/x
  3. Step 3: Cross multiply
    100,912,833.60x = 151,361,377.20 × 39,490,063.80
  4. Step 4: Simplify right side
    100,912,833.60x = 5,977,270,442,483,864
  5. Step 5: Solve for x
    x = 5,977,270,442,483,864/100,912,833.60
  6. Step 6: Final answer
    x = 59,232,014.69

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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.