Home / 66,734,969.48-100,065,962.32-52,990,220.30

Finding the Fourth Proportional to 66,734,969.48, 100,065,962.32 and 52,990,220.30

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Solution

The fourth proportional to 66,734,969.48, 100,065,962.32 and 52,990,220.30 is: 79,456,354.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,734,969.48 : 100,065,962.32 = 52,990,220.30 : x
  2. Step 2: Convert to fraction form
    66,734,969.48/100,065,962.32 = 52,990,220.30/x
  3. Step 3: Cross multiply
    66,734,969.48x = 100,065,962.32 × 52,990,220.30
  4. Step 4: Simplify right side
    66,734,969.48x = 5,302,517,387,868,298
  5. Step 5: Solve for x
    x = 5,302,517,387,868,298/66,734,969.48
  6. Step 6: Final answer
    x = 79,456,354.43

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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.