Home / 57,740,241.42-79,681,530.87-31,635,749.34

Finding the Fourth Proportional to 57,740,241.42, 79,681,530.87 and 31,635,749.34

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Solution

The fourth proportional to 57,740,241.42, 79,681,530.87 and 31,635,749.34 is: 43,657,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,740,241.42 : 79,681,530.87 = 31,635,749.34 : x
  2. Step 2: Convert to fraction form
    57,740,241.42/79,681,530.87 = 31,635,749.34/x
  3. Step 3: Cross multiply
    57,740,241.42x = 79,681,530.87 × 31,635,749.34
  4. Step 4: Simplify right side
    57,740,241.42x = 2,520,784,937,630,792.50
  5. Step 5: Solve for x
    x = 2,520,784,937,630,792.50/57,740,241.42
  6. Step 6: Final answer
    x = 43,657,332.83

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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.