Home / 73,814,935.20-110,721,819.60-19,227,415.20

Finding the Fourth Proportional to 73,814,935.20, 110,721,819.60 and 19,227,415.20

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Solution

The fourth proportional to 73,814,935.20, 110,721,819.60 and 19,227,415.20 is: 28,840,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,814,935.20 : 110,721,819.60 = 19,227,415.20 : x
  2. Step 2: Convert to fraction form
    73,814,935.20/110,721,819.60 = 19,227,415.20/x
  3. Step 3: Cross multiply
    73,814,935.20x = 110,721,819.60 × 19,227,415.20
  4. Step 4: Simplify right side
    73,814,935.20x = 2,128,894,397,148,697.75
  5. Step 5: Solve for x
    x = 2,128,894,397,148,697.75/73,814,935.20
  6. Step 6: Final answer
    x = 28,840,970.89

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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.