Home / 69,989,744.40-104,984,616.60-66,021,651.60

Finding the Fourth Proportional to 69,989,744.40, 104,984,616.60 and 66,021,651.60

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Solution

The fourth proportional to 69,989,744.40, 104,984,616.60 and 66,021,651.60 is: 99,032,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,989,744.40 : 104,984,616.60 = 66,021,651.60 : x
  2. Step 2: Convert to fraction form
    69,989,744.40/104,984,616.60 = 66,021,651.60/x
  3. Step 3: Cross multiply
    69,989,744.40x = 104,984,616.60 × 66,021,651.60
  4. Step 4: Simplify right side
    69,989,744.40x = 6,931,257,780,524,776
  5. Step 5: Solve for x
    x = 6,931,257,780,524,776/69,989,744.40
  6. Step 6: Final answer
    x = 99,032,477.40

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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.