Home / 88,943,429.80-133,415,144.70-81,007,244.20

Finding the Fourth Proportional to 88,943,429.80, 133,415,144.70 and 81,007,244.20

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Solution

The fourth proportional to 88,943,429.80, 133,415,144.70 and 81,007,244.20 is: 121,510,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,943,429.80 : 133,415,144.70 = 81,007,244.20 : x
  2. Step 2: Convert to fraction form
    88,943,429.80/133,415,144.70 = 81,007,244.20/x
  3. Step 3: Cross multiply
    88,943,429.80x = 133,415,144.70 × 81,007,244.20
  4. Step 4: Simplify right side
    88,943,429.80x = 10,807,593,206,691,236
  5. Step 5: Solve for x
    x = 10,807,593,206,691,236/88,943,429.80
  6. Step 6: Final answer
    x = 121,510,866.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.