Home / 100,340,420.80-150,510,631.20-32,190,001.60

Finding the Fourth Proportional to 100,340,420.80, 150,510,631.20 and 32,190,001.60

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Solution

The fourth proportional to 100,340,420.80, 150,510,631.20 and 32,190,001.60 is: 48,285,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,340,420.80 : 150,510,631.20 = 32,190,001.60 : x
  2. Step 2: Convert to fraction form
    100,340,420.80/150,510,631.20 = 32,190,001.60/x
  3. Step 3: Cross multiply
    100,340,420.80x = 150,510,631.20 × 32,190,001.60
  4. Step 4: Simplify right side
    100,340,420.80x = 4,844,937,459,145,010
  5. Step 5: Solve for x
    x = 4,844,937,459,145,010/100,340,420.80
  6. Step 6: Final answer
    x = 48,285,002.40

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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.