Home / 77,530,195.91-106,992,387.81-42,724,131.89

Finding the Fourth Proportional to 77,530,195.91, 106,992,387.81 and 42,724,131.89

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Solution

The fourth proportional to 77,530,195.91, 106,992,387.81 and 42,724,131.89 is: 58,959,697.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530,195.91 : 106,992,387.81 = 42,724,131.89 : x
  2. Step 2: Convert to fraction form
    77,530,195.91/106,992,387.81 = 42,724,131.89/x
  3. Step 3: Cross multiply
    77,530,195.91x = 106,992,387.81 × 42,724,131.89
  4. Step 4: Simplify right side
    77,530,195.91x = 4,571,156,887,485,506
  5. Step 5: Solve for x
    x = 4,571,156,887,485,506/77,530,195.91
  6. Step 6: Final answer
    x = 58,959,697.36

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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.