Home / 303,218,909.93-418,442,095.40-163,989,671.54

Finding the Fourth Proportional to 303,218,909.93, 418,442,095.40 and 163,989,671.54

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Solution

The fourth proportional to 303,218,909.93, 418,442,095.40 and 163,989,671.54 is: 226,305,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,218,909.93 : 418,442,095.40 = 163,989,671.54 : x
  2. Step 2: Convert to fraction form
    303,218,909.93/418,442,095.40 = 163,989,671.54/x
  3. Step 3: Cross multiply
    303,218,909.93x = 418,442,095.40 × 163,989,671.54
  4. Step 4: Simplify right side
    303,218,909.93x = 68,620,181,780,243,184
  5. Step 5: Solve for x
    x = 68,620,181,780,243,184/303,218,909.93
  6. Step 6: Final answer
    x = 226,305,746.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.