Home / 57,030,881.28-85,512,157.44-18,152,538.72

Finding the Fourth Proportional to 57,030,881.28, 85,512,157.44 and 18,152,538.72

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Solution

The fourth proportional to 57,030,881.28, 85,512,157.44 and 18,152,538.72 is: 27,217,933.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,030,881.28 : 85,512,157.44 = 18,152,538.72 : x
  2. Step 2: Convert to fraction form
    57,030,881.28/85,512,157.44 = 18,152,538.72/x
  3. Step 3: Cross multiply
    57,030,881.28x = 85,512,157.44 × 18,152,538.72
  4. Step 4: Simplify right side
    57,030,881.28x = 1,552,262,748,960,336
  5. Step 5: Solve for x
    x = 1,552,262,748,960,336/57,030,881.28
  6. Step 6: Final answer
    x = 27,217,933.76

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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.