Home / 102,571,114.59-141,535,169.78-81,716,041.35

Finding the Fourth Proportional to 102,571,114.59, 141,535,169.78 and 81,716,041.35

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Solution

The fourth proportional to 102,571,114.59, 141,535,169.78 and 81,716,041.35 is: 112,757,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,571,114.59 : 141,535,169.78 = 81,716,041.35 : x
  2. Step 2: Convert to fraction form
    102,571,114.59/141,535,169.78 = 81,716,041.35/x
  3. Step 3: Cross multiply
    102,571,114.59x = 141,535,169.78 × 81,716,041.35
  4. Step 4: Simplify right side
    102,571,114.59x = 11,565,693,785,813,170
  5. Step 5: Solve for x
    x = 11,565,693,785,813,170/102,571,114.59
  6. Step 6: Final answer
    x = 112,757,805.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.