Home / 154,593,881.55-213,442,286.76-118,766,512.35

Finding the Fourth Proportional to 154,593,881.55, 213,442,286.76 and 118,766,512.35

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Solution

The fourth proportional to 154,593,881.55, 213,442,286.76 and 118,766,512.35 is: 163,976,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,593,881.55 : 213,442,286.76 = 118,766,512.35 : x
  2. Step 2: Convert to fraction form
    154,593,881.55/213,442,286.76 = 118,766,512.35/x
  3. Step 3: Cross multiply
    154,593,881.55x = 213,442,286.76 × 118,766,512.35
  4. Step 4: Simplify right side
    154,593,881.55x = 25,349,795,986,493,780
  5. Step 5: Solve for x
    x = 25,349,795,986,493,780/154,593,881.55
  6. Step 6: Final answer
    x = 163,976,709.38

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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.