Home / 71,208,067.60-106,812,101.40-47,273,539.60

Finding the Fourth Proportional to 71,208,067.60, 106,812,101.40 and 47,273,539.60

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Solution

The fourth proportional to 71,208,067.60, 106,812,101.40 and 47,273,539.60 is: 70,910,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,208,067.60 : 106,812,101.40 = 47,273,539.60 : x
  2. Step 2: Convert to fraction form
    71,208,067.60/106,812,101.40 = 47,273,539.60/x
  3. Step 3: Cross multiply
    71,208,067.60x = 106,812,101.40 × 47,273,539.60
  4. Step 4: Simplify right side
    71,208,067.60x = 5,049,386,105,292,116
  5. Step 5: Solve for x
    x = 5,049,386,105,292,116/71,208,067.60
  6. Step 6: Final answer
    x = 70,910,309.40

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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.