Home / 55,885,322.12-77,121,614.58-31,439,029.64

Finding the Fourth Proportional to 55,885,322.12, 77,121,614.58 and 31,439,029.64

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Solution

The fourth proportional to 55,885,322.12, 77,121,614.58 and 31,439,029.64 is: 43,385,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,885,322.12 : 77,121,614.58 = 31,439,029.64 : x
  2. Step 2: Convert to fraction form
    55,885,322.12/77,121,614.58 = 31,439,029.64/x
  3. Step 3: Cross multiply
    55,885,322.12x = 77,121,614.58 × 31,439,029.64
  4. Step 4: Simplify right side
    55,885,322.12x = 2,424,628,726,665,276
  5. Step 5: Solve for x
    x = 2,424,628,726,665,276/55,885,322.12
  6. Step 6: Final answer
    x = 43,385,787.80

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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.