Home / 77,523,014.11-106,986,537.62-42,715,699.15

Finding the Fourth Proportional to 77,523,014.11, 106,986,537.62 and 42,715,699.15

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Solution

The fourth proportional to 77,523,014.11, 106,986,537.62 and 42,715,699.15 is: 58,950,297.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,523,014.11 : 106,986,537.62 = 42,715,699.15 : x
  2. Step 2: Convert to fraction form
    77,523,014.11/106,986,537.62 = 42,715,699.15/x
  3. Step 3: Cross multiply
    77,523,014.11x = 106,986,537.62 × 42,715,699.15
  4. Step 4: Simplify right side
    77,523,014.11x = 4,570,004,754,076,077
  5. Step 5: Solve for x
    x = 4,570,004,754,076,077/77,523,014.11
  6. Step 6: Final answer
    x = 58,950,297.62

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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.