Home / 91,720,342.41-126,532,365.06-54,529,520.08

Finding the Fourth Proportional to 91,720,342.41, 126,532,365.06 and 54,529,520.08

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Solution

The fourth proportional to 91,720,342.41, 126,532,365.06 and 54,529,520.08 is: 75,225,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,720,342.41 : 126,532,365.06 = 54,529,520.08 : x
  2. Step 2: Convert to fraction form
    91,720,342.41/126,532,365.06 = 54,529,520.08/x
  3. Step 3: Cross multiply
    91,720,342.41x = 126,532,365.06 × 54,529,520.08
  4. Step 4: Simplify right side
    91,720,342.41x = 6,899,749,141,078,881
  5. Step 5: Solve for x
    x = 6,899,749,141,078,881/91,720,342.41
  6. Step 6: Final answer
    x = 75,225,941.81

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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.