Home / 77,530,195.14-106,992,386.76-42,724,131.12

Finding the Fourth Proportional to 77,530,195.14, 106,992,386.76 and 42,724,131.12

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Solution

The fourth proportional to 77,530,195.14, 106,992,386.76 and 42,724,131.12 is: 58,959,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530,195.14 : 106,992,386.76 = 42,724,131.12 : x
  2. Step 2: Convert to fraction form
    77,530,195.14/106,992,386.76 = 42,724,131.12/x
  3. Step 3: Cross multiply
    77,530,195.14x = 106,992,386.76 × 42,724,131.12
  4. Step 4: Simplify right side
    77,530,195.14x = 4,571,156,760,775,992
  5. Step 5: Solve for x
    x = 4,571,156,760,775,992/77,530,195.14
  6. Step 6: Final answer
    x = 58,959,696.32

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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.