Home / 51,178,066.47-76,780,564.34-18,391,947.57

Finding the Fourth Proportional to 51,178,066.47, 76,780,564.34 and 18,391,947.57

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Solution

The fourth proportional to 51,178,066.47, 76,780,564.34 and 18,391,947.57 is: 27,592,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,178,066.47 : 76,780,564.34 = 18,391,947.57 : x
  2. Step 2: Convert to fraction form
    51,178,066.47/76,780,564.34 = 18,391,947.57/x
  3. Step 3: Cross multiply
    51,178,066.47x = 76,780,564.34 × 18,391,947.57
  4. Step 4: Simplify right side
    51,178,066.47x = 1,412,144,113,736,291.75
  5. Step 5: Solve for x
    x = 1,412,144,113,736,291.75/51,178,066.47
  6. Step 6: Final answer
    x = 27,592,760.16

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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.