Home / 66,065,415.20-99,098,122.80-56,499,477.20

Finding the Fourth Proportional to 66,065,415.20, 99,098,122.80 and 56,499,477.20

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Solution

The fourth proportional to 66,065,415.20, 99,098,122.80 and 56,499,477.20 is: 84,749,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,065,415.20 : 99,098,122.80 = 56,499,477.20 : x
  2. Step 2: Convert to fraction form
    66,065,415.20/99,098,122.80 = 56,499,477.20/x
  3. Step 3: Cross multiply
    66,065,415.20x = 99,098,122.80 × 56,499,477.20
  4. Step 4: Simplify right side
    66,065,415.20x = 5,598,992,129,701,400
  5. Step 5: Solve for x
    x = 5,598,992,129,701,400/66,065,415.20
  6. Step 6: Final answer
    x = 84,749,215.80

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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.