Home / 88,943,428.80-133,415,143.20-81,007,243.20

Finding the Fourth Proportional to 88,943,428.80, 133,415,143.20 and 81,007,243.20

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Solution

The fourth proportional to 88,943,428.80, 133,415,143.20 and 81,007,243.20 is: 121,510,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,943,428.80 : 133,415,143.20 = 81,007,243.20 : x
  2. Step 2: Convert to fraction form
    88,943,428.80/133,415,143.20 = 81,007,243.20/x
  3. Step 3: Cross multiply
    88,943,428.80x = 133,415,143.20 × 81,007,243.20
  4. Step 4: Simplify right side
    88,943,428.80x = 10,807,592,951,765,226
  5. Step 5: Solve for x
    x = 10,807,592,951,765,226/88,943,428.80
  6. Step 6: Final answer
    x = 121,510,864.80

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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.