Home / 60,478,175.64-90,692,039.52-18,968,356.92

Finding the Fourth Proportional to 60,478,175.64, 90,692,039.52 and 18,968,356.92

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Solution

The fourth proportional to 60,478,175.64, 90,692,039.52 and 18,968,356.92 is: 28,444,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,478,175.64 : 90,692,039.52 = 18,968,356.92 : x
  2. Step 2: Convert to fraction form
    60,478,175.64/90,692,039.52 = 18,968,356.92/x
  3. Step 3: Cross multiply
    60,478,175.64x = 90,692,039.52 × 18,968,356.92
  4. Step 4: Simplify right side
    60,478,175.64x = 1,720,278,975,418,105.50
  5. Step 5: Solve for x
    x = 1,720,278,975,418,105.50/60,478,175.64
  6. Step 6: Final answer
    x = 28,444,624.15

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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.