Home / 384,365,108.39-576,645,979.16-111,735,875.39

Finding the Fourth Proportional to 384,365,108.39, 576,645,979.16 and 111,735,875.39

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Solution

The fourth proportional to 384,365,108.39, 576,645,979.16 and 111,735,875.39 is: 167,632,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,365,108.39 : 576,645,979.16 = 111,735,875.39 : x
  2. Step 2: Convert to fraction form
    384,365,108.39/576,645,979.16 = 111,735,875.39/x
  3. Step 3: Cross multiply
    384,365,108.39x = 576,645,979.16 × 111,735,875.39
  4. Step 4: Simplify right side
    384,365,108.39x = 64,432,043,268,962,416
  5. Step 5: Solve for x
    x = 64,432,043,268,962,416/384,365,108.39
  6. Step 6: Final answer
    x = 167,632,393.95

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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.