Home / 88,681,067.60-133,065,838.20-50,371,998.80

Finding the Fourth Proportional to 88,681,067.60, 133,065,838.20 and 50,371,998.80

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Solution

The fourth proportional to 88,681,067.60, 133,065,838.20 and 50,371,998.80 is: 75,583,125.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,681,067.60 : 133,065,838.20 = 50,371,998.80 : x
  2. Step 2: Convert to fraction form
    88,681,067.60/133,065,838.20 = 50,371,998.80/x
  3. Step 3: Cross multiply
    88,681,067.60x = 133,065,838.20 × 50,371,998.80
  4. Step 4: Simplify right side
    88,681,067.60x = 6,702,792,242,131,394
  5. Step 5: Solve for x
    x = 6,702,792,242,131,394/88,681,067.60
  6. Step 6: Final answer
    x = 75,583,125.28

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1.5x scale

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.