Home / 77,530,222.36-106,992,424.38-42,724,158.40

Finding the Fourth Proportional to 77,530,222.36, 106,992,424.38 and 42,724,158.40

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Solution

The fourth proportional to 77,530,222.36, 106,992,424.38 and 42,724,158.40 is: 58,959,733.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530,222.36 : 106,992,424.38 = 42,724,158.40 : x
  2. Step 2: Convert to fraction form
    77,530,222.36/106,992,424.38 = 42,724,158.40/x
  3. Step 3: Cross multiply
    77,530,222.36x = 106,992,424.38 × 42,724,158.40
  4. Step 4: Simplify right side
    77,530,222.36x = 4,571,161,286,811,141
  5. Step 5: Solve for x
    x = 4,571,161,286,811,141/77,530,222.36
  6. Step 6: Final answer
    x = 58,959,733.99

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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.