Home / 66,470,132.98-91,777,372.14-42,962,578.26

Finding the Fourth Proportional to 66,470,132.98, 91,777,372.14 and 42,962,578.26

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Solution

The fourth proportional to 66,470,132.98, 91,777,372.14 and 42,962,578.26 is: 59,319,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,470,132.98 : 91,777,372.14 = 42,962,578.26 : x
  2. Step 2: Convert to fraction form
    66,470,132.98/91,777,372.14 = 42,962,578.26/x
  3. Step 3: Cross multiply
    66,470,132.98x = 91,777,372.14 × 42,962,578.26
  4. Step 4: Simplify right side
    66,470,132.98x = 3,942,992,533,061,893.50
  5. Step 5: Solve for x
    x = 3,942,992,533,061,893.50/66,470,132.98
  6. Step 6: Final answer
    x = 59,319,762.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.