Home / 91,837,157.28-126,741,020.40-50,584,038.72

Finding the Fourth Proportional to 91,837,157.28, 126,741,020.40 and 50,584,038.72

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Solution

The fourth proportional to 91,837,157.28, 126,741,020.40 and 50,584,038.72 is: 69,809,136.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,837,157.28 : 126,741,020.40 = 50,584,038.72 : x
  2. Step 2: Convert to fraction form
    91,837,157.28/126,741,020.40 = 50,584,038.72/x
  3. Step 3: Cross multiply
    91,837,157.28x = 126,741,020.40 × 50,584,038.72
  4. Step 4: Simplify right side
    91,837,157.28x = 6,411,072,683,325,910
  5. Step 5: Solve for x
    x = 6,411,072,683,325,910/91,837,157.28
  6. Step 6: Final answer
    x = 69,809,136.88

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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.