Home / 88,878,542.76-133,322,275.62-28,298,992.68

Finding the Fourth Proportional to 88,878,542.76, 133,322,275.62 and 28,298,992.68

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Solution

The fourth proportional to 88,878,542.76, 133,322,275.62 and 28,298,992.68 is: 42,449,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,878,542.76 : 133,322,275.62 = 28,298,992.68 : x
  2. Step 2: Convert to fraction form
    88,878,542.76/133,322,275.62 = 28,298,992.68/x
  3. Step 3: Cross multiply
    88,878,542.76x = 133,322,275.62 × 28,298,992.68
  4. Step 4: Simplify right side
    88,878,542.76x = 3,772,886,101,851,322.50
  5. Step 5: Solve for x
    x = 3,772,886,101,851,322.50/88,878,542.76
  6. Step 6: Final answer
    x = 42,449,909.56

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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.