Home / 91,607,799.72-126,417,346.74-50,353,805.64

Finding the Fourth Proportional to 91,607,799.72, 126,417,346.74 and 50,353,805.64

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Solution

The fourth proportional to 91,607,799.72, 126,417,346.74 and 50,353,805.64 is: 69,487,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,607,799.72 : 126,417,346.74 = 50,353,805.64 : x
  2. Step 2: Convert to fraction form
    91,607,799.72/126,417,346.74 = 50,353,805.64/x
  3. Step 3: Cross multiply
    91,607,799.72x = 126,417,346.74 × 50,353,805.64
  4. Step 4: Simplify right side
    91,607,799.72x = 6,365,594,507,270,447
  5. Step 5: Solve for x
    x = 6,365,594,507,270,447/91,607,799.72
  6. Step 6: Final answer
    x = 69,487,472.97

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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.