Home / 79,808,218.40-119,765,471.70-36,655,209.20

Finding the Fourth Proportional to 79,808,218.40, 119,765,471.70 and 36,655,209.20

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Solution

The fourth proportional to 79,808,218.40, 119,765,471.70 and 36,655,209.20 is: 55,007,222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,808,218.40 : 119,765,471.70 = 36,655,209.20 : x
  2. Step 2: Convert to fraction form
    79,808,218.40/119,765,471.70 = 36,655,209.20/x
  3. Step 3: Cross multiply
    79,808,218.40x = 119,765,471.70 × 36,655,209.20
  4. Step 4: Simplify right side
    79,808,218.40x = 4,390,028,420,100,180
  5. Step 5: Solve for x
    x = 4,390,028,420,100,180/79,808,218.40
  6. Step 6: Final answer
    x = 55,007,222.42

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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.