Home / 66,575,620.20-99,695,468.70-53,138,692.20

Finding the Fourth Proportional to 66,575,620.20, 99,695,468.70 and 53,138,692.20

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Solution

The fourth proportional to 66,575,620.20, 99,695,468.70 and 53,138,692.20 is: 79,573,976.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,575,620.20 : 99,695,468.70 = 53,138,692.20 : x
  2. Step 2: Convert to fraction form
    66,575,620.20/99,695,468.70 = 53,138,692.20/x
  3. Step 3: Cross multiply
    66,575,620.20x = 99,695,468.70 × 53,138,692.20
  4. Step 4: Simplify right side
    66,575,620.20x = 5,297,686,824,984,035
  5. Step 5: Solve for x
    x = 5,297,686,824,984,035/66,575,620.20
  6. Step 6: Final answer
    x = 79,573,976.32

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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.