Home / 151,219,953.20-226,680,630.60-74,480,164.40

Finding the Fourth Proportional to 151,219,953.20, 226,680,630.60 and 74,480,164.40

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Solution

The fourth proportional to 151,219,953.20, 226,680,630.60 and 74,480,164.40 is: 111,646,712.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,219,953.20 : 226,680,630.60 = 74,480,164.40 : x
  2. Step 2: Convert to fraction form
    151,219,953.20/226,680,630.60 = 74,480,164.40/x
  3. Step 3: Cross multiply
    151,219,953.20x = 226,680,630.60 × 74,480,164.40
  4. Step 4: Simplify right side
    151,219,953.20x = 16,883,210,633,383,672
  5. Step 5: Solve for x
    x = 16,883,210,633,383,672/151,219,953.20
  6. Step 6: Final answer
    x = 111,646,712.46

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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.