Home / 91,699,770.96-126,546,728.76-52,540,761.60

Finding the Fourth Proportional to 91,699,770.96, 126,546,728.76 and 52,540,761.60

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Solution

The fourth proportional to 91,699,770.96, 126,546,728.76 and 52,540,761.60 is: 72,506,849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,699,770.96 : 126,546,728.76 = 52,540,761.60 : x
  2. Step 2: Convert to fraction form
    91,699,770.96/126,546,728.76 = 52,540,761.60/x
  3. Step 3: Cross multiply
    91,699,770.96x = 126,546,728.76 × 52,540,761.60
  4. Step 4: Simplify right side
    91,699,770.96x = 6,648,861,507,039,024
  5. Step 5: Solve for x
    x = 6,648,861,507,039,024/91,699,770.96
  6. Step 6: Final answer
    x = 72,506,849.66

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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.