Home / 112,056,830.60-168,072,621.39-30,181,701.51

Finding the Fourth Proportional to 112,056,830.60, 168,072,621.39 and 30,181,701.51

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Solution

The fourth proportional to 112,056,830.60, 168,072,621.39 and 30,181,701.51 is: 45,269,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,056,830.60 : 168,072,621.39 = 30,181,701.51 : x
  2. Step 2: Convert to fraction form
    112,056,830.60/168,072,621.39 = 30,181,701.51/x
  3. Step 3: Cross multiply
    112,056,830.60x = 168,072,621.39 × 30,181,701.51
  4. Step 4: Simplify right side
    112,056,830.60x = 5,072,717,690,796,221
  5. Step 5: Solve for x
    x = 5,072,717,690,796,221/112,056,830.60
  6. Step 6: Final answer
    x = 45,269,151.95

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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.