Home / 66,245,064.87-99,457,203.56-45,723,763.47

Finding the Fourth Proportional to 66,245,064.87, 99,457,203.56 and 45,723,763.47

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Solution

The fourth proportional to 66,245,064.87, 99,457,203.56 and 45,723,763.47 is: 68,647,493.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,245,064.87 : 99,457,203.56 = 45,723,763.47 : x
  2. Step 2: Convert to fraction form
    66,245,064.87/99,457,203.56 = 45,723,763.47/x
  3. Step 3: Cross multiply
    66,245,064.87x = 99,457,203.56 × 45,723,763.47
  4. Step 4: Simplify right side
    66,245,064.87x = 4,547,557,650,736,463
  5. Step 5: Solve for x
    x = 4,547,557,650,736,463/66,245,064.87
  6. Step 6: Final answer
    x = 68,647,493.36

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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.