Home / 99,524,851.20-149,287,276.80-82,518,739.20

Finding the Fourth Proportional to 99,524,851.20, 149,287,276.80 and 82,518,739.20

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Solution

The fourth proportional to 99,524,851.20, 149,287,276.80 and 82,518,739.20 is: 123,778,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,524,851.20 : 149,287,276.80 = 82,518,739.20 : x
  2. Step 2: Convert to fraction form
    99,524,851.20/149,287,276.80 = 82,518,739.20/x
  3. Step 3: Cross multiply
    99,524,851.20x = 149,287,276.80 × 82,518,739.20
  4. Step 4: Simplify right side
    99,524,851.20x = 12,318,997,860,137,412
  5. Step 5: Solve for x
    x = 12,318,997,860,137,412/99,524,851.20
  6. Step 6: Final answer
    x = 123,778,108.80

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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.