Home / 72,928,434.34-100,619,390.38-41,987,808.10

Finding the Fourth Proportional to 72,928,434.34, 100,619,390.38 and 41,987,808.10

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Solution

The fourth proportional to 72,928,434.34, 100,619,390.38 and 41,987,808.10 is: 57,930,595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,928,434.34 : 100,619,390.38 = 41,987,808.10 : x
  2. Step 2: Convert to fraction form
    72,928,434.34/100,619,390.38 = 41,987,808.10/x
  3. Step 3: Cross multiply
    72,928,434.34x = 100,619,390.38 × 41,987,808.10
  4. Step 4: Simplify right side
    72,928,434.34x = 4,224,787,653,701,390
  5. Step 5: Solve for x
    x = 4,224,787,653,701,390/72,928,434.34
  6. Step 6: Final answer
    x = 57,930,595.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.