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Finding the Fourth Proportional to 39,973,577.20, 59,960,365.80 and 39,973,577.20

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Solution

The fourth proportional to 39,973,577.20, 59,960,365.80 and 39,973,577.20 is: 59,960,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,973,577.20 : 59,960,365.80 = 39,973,577.20 : x
  2. Step 2: Convert to fraction form
    39,973,577.20/59,960,365.80 = 39,973,577.20/x
  3. Step 3: Cross multiply
    39,973,577.20x = 59,960,365.80 × 39,973,577.20
  4. Step 4: Simplify right side
    39,973,577.20x = 2,396,830,311,246,540
  5. Step 5: Solve for x
    x = 2,396,830,311,246,540/39,973,577.20
  6. Step 6: Final answer
    x = 59,960,365.80

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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.