Home / 91,745,646.84-137,639,771.46-30,331,100.76

Finding the Fourth Proportional to 91,745,646.84, 137,639,771.46 and 30,331,100.76

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Solution

The fourth proportional to 91,745,646.84, 137,639,771.46 and 30,331,100.76 is: 45,503,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,745,646.84 : 137,639,771.46 = 30,331,100.76 : x
  2. Step 2: Convert to fraction form
    91,745,646.84/137,639,771.46 = 30,331,100.76/x
  3. Step 3: Cross multiply
    91,745,646.84x = 137,639,771.46 × 30,331,100.76
  4. Step 4: Simplify right side
    91,745,646.84x = 4,174,765,776,736,633
  5. Step 5: Solve for x
    x = 4,174,765,776,736,633/91,745,646.84
  6. Step 6: Final answer
    x = 45,503,693.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.