Home / 88,578,040.80-132,867,061.20-81,563,019.60

Finding the Fourth Proportional to 88,578,040.80, 132,867,061.20 and 81,563,019.60

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Solution

The fourth proportional to 88,578,040.80, 132,867,061.20 and 81,563,019.60 is: 122,344,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578,040.80 : 132,867,061.20 = 81,563,019.60 : x
  2. Step 2: Convert to fraction form
    88,578,040.80/132,867,061.20 = 81,563,019.60/x
  3. Step 3: Cross multiply
    88,578,040.80x = 132,867,061.20 × 81,563,019.60
  4. Step 4: Simplify right side
    88,578,040.80x = 10,837,038,716,849,998
  5. Step 5: Solve for x
    x = 10,837,038,716,849,998/88,578,040.80
  6. Step 6: Final answer
    x = 122,344,529.40

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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.