Home / 49,430,809.20-74,146,213.80-15,355,599.60

Finding the Fourth Proportional to 49,430,809.20, 74,146,213.80 and 15,355,599.60

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Solution

The fourth proportional to 49,430,809.20, 74,146,213.80 and 15,355,599.60 is: 23,033,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,430,809.20 : 74,146,213.80 = 15,355,599.60 : x
  2. Step 2: Convert to fraction form
    49,430,809.20/74,146,213.80 = 15,355,599.60/x
  3. Step 3: Cross multiply
    49,430,809.20x = 74,146,213.80 × 15,355,599.60
  4. Step 4: Simplify right side
    49,430,809.20x = 1,138,559,570,968,794.50
  5. Step 5: Solve for x
    x = 1,138,559,570,968,794.50/49,430,809.20
  6. Step 6: Final answer
    x = 23,033,399.40

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Similar ratio
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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.