Home / 100,726,291.20-151,089,436.80-49,597,730.40

Finding the Fourth Proportional to 100,726,291.20, 151,089,436.80 and 49,597,730.40

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Solution

The fourth proportional to 100,726,291.20, 151,089,436.80 and 49,597,730.40 is: 74,396,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,726,291.20 : 151,089,436.80 = 49,597,730.40 : x
  2. Step 2: Convert to fraction form
    100,726,291.20/151,089,436.80 = 49,597,730.40/x
  3. Step 3: Cross multiply
    100,726,291.20x = 151,089,436.80 × 49,597,730.40
  4. Step 4: Simplify right side
    100,726,291.20x = 7,493,693,152,694,239
  5. Step 5: Solve for x
    x = 7,493,693,152,694,239/100,726,291.20
  6. Step 6: Final answer
    x = 74,396,595.60

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1.5x scale

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.