Home / 56,894,887.14-78,515,183.62-30,789,406.24

Finding the Fourth Proportional to 56,894,887.14, 78,515,183.62 and 30,789,406.24

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Solution

The fourth proportional to 56,894,887.14, 78,515,183.62 and 30,789,406.24 is: 42,489,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,894,887.14 : 78,515,183.62 = 30,789,406.24 : x
  2. Step 2: Convert to fraction form
    56,894,887.14/78,515,183.62 = 30,789,406.24/x
  3. Step 3: Cross multiply
    56,894,887.14x = 78,515,183.62 × 30,789,406.24
  4. Step 4: Simplify right side
    56,894,887.14x = 2,417,435,884,484,374
  5. Step 5: Solve for x
    x = 2,417,435,884,484,374/56,894,887.14
  6. Step 6: Final answer
    x = 42,489,510.15

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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.