Home / 67,230,280.98-92,777,980.01-38,978,144.46

Finding the Fourth Proportional to 67,230,280.98, 92,777,980.01 and 38,978,144.46

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Solution

The fourth proportional to 67,230,280.98, 92,777,980.01 and 38,978,144.46 is: 53,789,950.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,230,280.98 : 92,777,980.01 = 38,978,144.46 : x
  2. Step 2: Convert to fraction form
    67,230,280.98/92,777,980.01 = 38,978,144.46/x
  3. Step 3: Cross multiply
    67,230,280.98x = 92,777,980.01 × 38,978,144.46
  4. Step 4: Simplify right side
    67,230,280.98x = 3,616,313,507,341,881.50
  5. Step 5: Solve for x
    x = 3,616,313,507,341,881.50/67,230,280.98
  6. Step 6: Final answer
    x = 53,789,950.82

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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.