Home / 53,155,387.20-79,441,769.04-38,808,667.20

Finding the Fourth Proportional to 53,155,387.20, 79,441,769.04 and 38,808,667.20

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Solution

The fourth proportional to 53,155,387.20, 79,441,769.04 and 38,808,667.20 is: 58,000,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,155,387.20 : 79,441,769.04 = 38,808,667.20 : x
  2. Step 2: Convert to fraction form
    53,155,387.20/79,441,769.04 = 38,808,667.20/x
  3. Step 3: Cross multiply
    53,155,387.20x = 79,441,769.04 × 38,808,667.20
  4. Step 4: Simplify right side
    53,155,387.20x = 3,083,029,176,452,624
  5. Step 5: Solve for x
    x = 3,083,029,176,452,624/53,155,387.20
  6. Step 6: Final answer
    x = 58,000,314.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.