Home / 77,041,800.34-106,324,410.53-42,241,216.84

Finding the Fourth Proportional to 77,041,800.34, 106,324,410.53 and 42,241,216.84

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Solution

The fourth proportional to 77,041,800.34, 106,324,410.53 and 42,241,216.84 is: 58,296,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,041,800.34 : 106,324,410.53 = 42,241,216.84 : x
  2. Step 2: Convert to fraction form
    77,041,800.34/106,324,410.53 = 42,241,216.84/x
  3. Step 3: Cross multiply
    77,041,800.34x = 106,324,410.53 × 42,241,216.84
  4. Step 4: Simplify right side
    77,041,800.34x = 4,491,272,480,422,701
  5. Step 5: Solve for x
    x = 4,491,272,480,422,701/77,041,800.34
  6. Step 6: Final answer
    x = 58,296,567.07

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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.