Home / 56,881,797.64-78,496,879.54-30,776,315.49

Finding the Fourth Proportional to 56,881,797.64, 78,496,879.54 and 30,776,315.49

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Solution

The fourth proportional to 56,881,797.64, 78,496,879.54 and 30,776,315.49 is: 42,471,314.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,881,797.64 : 78,496,879.54 = 30,776,315.49 : x
  2. Step 2: Convert to fraction form
    56,881,797.64/78,496,879.54 = 30,776,315.49/x
  3. Step 3: Cross multiply
    56,881,797.64x = 78,496,879.54 × 30,776,315.49
  4. Step 4: Simplify right side
    56,881,797.64x = 2,415,844,729,703,566
  5. Step 5: Solve for x
    x = 2,415,844,729,703,566/56,881,797.64
  6. Step 6: Final answer
    x = 42,471,314.73

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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.