Home / 79,392,040.80-119,088,061.20-76,032,808.80

Finding the Fourth Proportional to 79,392,040.80, 119,088,061.20 and 76,032,808.80

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Solution

The fourth proportional to 79,392,040.80, 119,088,061.20 and 76,032,808.80 is: 114,049,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,392,040.80 : 119,088,061.20 = 76,032,808.80 : x
  2. Step 2: Convert to fraction form
    79,392,040.80/119,088,061.20 = 76,032,808.80/x
  3. Step 3: Cross multiply
    79,392,040.80x = 119,088,061.20 × 76,032,808.80
  4. Step 4: Simplify right side
    79,392,040.80x = 9,054,599,787,582,298
  5. Step 5: Solve for x
    x = 9,054,599,787,582,298/79,392,040.80
  6. Step 6: Final answer
    x = 114,049,213.20

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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.