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Finding the Fourth Proportional to 50,691,602.40, 71,147,402.40 and 50,691,602.40

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Solution

The fourth proportional to 50,691,602.40, 71,147,402.40 and 50,691,602.40 is: 71,147,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,691,602.40 : 71,147,402.40 = 50,691,602.40 : x
  2. Step 2: Convert to fraction form
    50,691,602.40/71,147,402.40 = 50,691,602.40/x
  3. Step 3: Cross multiply
    50,691,602.40x = 71,147,402.40 × 50,691,602.40
  4. Step 4: Simplify right side
    50,691,602.40x = 3,606,575,834,253,606
  5. Step 5: Solve for x
    x = 3,606,575,834,253,606/50,691,602.40
  6. Step 6: Final answer
    x = 71,147,402.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.