Home / 79,885,406.30-119,828,109.45-41,143,357.40

Finding the Fourth Proportional to 79,885,406.30, 119,828,109.45 and 41,143,357.40

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Solution

The fourth proportional to 79,885,406.30, 119,828,109.45 and 41,143,357.40 is: 61,715,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,885,406.30 : 119,828,109.45 = 41,143,357.40 : x
  2. Step 2: Convert to fraction form
    79,885,406.30/119,828,109.45 = 41,143,357.40/x
  3. Step 3: Cross multiply
    79,885,406.30x = 119,828,109.45 × 41,143,357.40
  4. Step 4: Simplify right side
    79,885,406.30x = 4,930,130,733,667,667
  5. Step 5: Solve for x
    x = 4,930,130,733,667,667/79,885,406.30
  6. Step 6: Final answer
    x = 61,715,036.10

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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.