Home / 77,530,208.88-106,992,405.76-42,724,144.92

Finding the Fourth Proportional to 77,530,208.88, 106,992,405.76 and 42,724,144.92

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Solution

The fourth proportional to 77,530,208.88, 106,992,405.76 and 42,724,144.92 is: 58,959,715.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530,208.88 : 106,992,405.76 = 42,724,144.92 : x
  2. Step 2: Convert to fraction form
    77,530,208.88/106,992,405.76 = 42,724,144.92/x
  3. Step 3: Cross multiply
    77,530,208.88x = 106,992,405.76 × 42,724,144.92
  4. Step 4: Simplify right side
    77,530,208.88x = 4,571,159,049,029,683
  5. Step 5: Solve for x
    x = 4,571,159,049,029,683/77,530,208.88
  6. Step 6: Final answer
    x = 58,959,715.38

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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.