Home / 91,659,688.40-126,487,847.64-50,406,580.88

Finding the Fourth Proportional to 91,659,688.40, 126,487,847.64 and 50,406,580.88

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Solution

The fourth proportional to 91,659,688.40, 126,487,847.64 and 50,406,580.88 is: 69,559,694.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,659,688.40 : 126,487,847.64 = 50,406,580.88 : x
  2. Step 2: Convert to fraction form
    91,659,688.40/126,487,847.64 = 50,406,580.88/x
  3. Step 3: Cross multiply
    91,659,688.40x = 126,487,847.64 × 50,406,580.88
  4. Step 4: Simplify right side
    91,659,688.40x = 6,375,819,922,402,777
  5. Step 5: Solve for x
    x = 6,375,819,922,402,777/91,659,688.40
  6. Step 6: Final answer
    x = 69,559,694.49

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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.