Home / 56,366,719.50-77,782,142.07-31,248,579.66

Finding the Fourth Proportional to 56,366,719.50, 77,782,142.07 and 31,248,579.66

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Solution

The fourth proportional to 56,366,719.50, 77,782,142.07 and 31,248,579.66 is: 43,120,860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,366,719.50 : 77,782,142.07 = 31,248,579.66 : x
  2. Step 2: Convert to fraction form
    56,366,719.50/77,782,142.07 = 31,248,579.66/x
  3. Step 3: Cross multiply
    56,366,719.50x = 77,782,142.07 × 31,248,579.66
  4. Step 4: Simplify right side
    56,366,719.50x = 2,430,581,462,599,832
  5. Step 5: Solve for x
    x = 2,430,581,462,599,832/56,366,719.50
  6. Step 6: Final answer
    x = 43,120,860.75

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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.