Home / 357,839,455.20-536,699,390.20-99,080,832.30

Finding the Fourth Proportional to 357,839,455.20, 536,699,390.20 and 99,080,832.30

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Solution

The fourth proportional to 357,839,455.20, 536,699,390.20 and 99,080,832.30 is: 148,604,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,839,455.20 : 536,699,390.20 = 99,080,832.30 : x
  2. Step 2: Convert to fraction form
    357,839,455.20/536,699,390.20 = 99,080,832.30/x
  3. Step 3: Cross multiply
    357,839,455.20x = 536,699,390.20 × 99,080,832.30
  4. Step 4: Simplify right side
    357,839,455.20x = 53,176,622,275,918,464
  5. Step 5: Solve for x
    x = 53,176,622,275,918,464/357,839,455.20
  6. Step 6: Final answer
    x = 148,604,692.70

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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.