Home / 79,719,619.40-119,579,429.10-60,446,025.80

Finding the Fourth Proportional to 79,719,619.40, 119,579,429.10 and 60,446,025.80

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Solution

The fourth proportional to 79,719,619.40, 119,579,429.10 and 60,446,025.80 is: 90,669,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,719,619.40 : 119,579,429.10 = 60,446,025.80 : x
  2. Step 2: Convert to fraction form
    79,719,619.40/119,579,429.10 = 60,446,025.80/x
  3. Step 3: Cross multiply
    79,719,619.40x = 119,579,429.10 × 60,446,025.80
  4. Step 4: Simplify right side
    79,719,619.40x = 7,228,101,256,527,870
  5. Step 5: Solve for x
    x = 7,228,101,256,527,870/79,719,619.40
  6. Step 6: Final answer
    x = 90,669,038.70

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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.