Home / 98,173,912.86-135,480,408.94-54,119,943.90

Finding the Fourth Proportional to 98,173,912.86, 135,480,408.94 and 54,119,943.90

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Solution

The fourth proportional to 98,173,912.86, 135,480,408.94 and 54,119,943.90 is: 74,685,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,173,912.86 : 135,480,408.94 = 54,119,943.90 : x
  2. Step 2: Convert to fraction form
    98,173,912.86/135,480,408.94 = 54,119,943.90/x
  3. Step 3: Cross multiply
    98,173,912.86x = 135,480,408.94 × 54,119,943.90
  4. Step 4: Simplify right side
    98,173,912.86x = 7,332,192,131,381,858
  5. Step 5: Solve for x
    x = 7,332,192,131,381,858/98,173,912.86
  6. Step 6: Final answer
    x = 74,685,748.16

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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.