Home / 77,046,980.50-106,324,807.44-42,238,924.12

Finding the Fourth Proportional to 77,046,980.50, 106,324,807.44 and 42,238,924.12

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Solution

The fourth proportional to 77,046,980.50, 106,324,807.44 and 42,238,924.12 is: 58,289,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,046,980.50 : 106,324,807.44 = 42,238,924.12 : x
  2. Step 2: Convert to fraction form
    77,046,980.50/106,324,807.44 = 42,238,924.12/x
  3. Step 3: Cross multiply
    77,046,980.50x = 106,324,807.44 × 42,238,924.12
  4. Step 4: Simplify right side
    77,046,980.50x = 4,491,045,473,531,771
  5. Step 5: Solve for x
    x = 4,491,045,473,531,771/77,046,980.50
  6. Step 6: Final answer
    x = 58,289,701.22

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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.