Home / 52,123,102.34-71,928,924.50-28,917,731.12

Finding the Fourth Proportional to 52,123,102.34, 71,928,924.50 and 28,917,731.12

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Solution

The fourth proportional to 52,123,102.34, 71,928,924.50 and 28,917,731.12 is: 39,905,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,123,102.34 : 71,928,924.50 = 28,917,731.12 : x
  2. Step 2: Convert to fraction form
    52,123,102.34/71,928,924.50 = 28,917,731.12/x
  3. Step 3: Cross multiply
    52,123,102.34x = 71,928,924.50 × 28,917,731.12
  4. Step 4: Simplify right side
    52,123,102.34x = 2,080,021,298,441,780.50
  5. Step 5: Solve for x
    x = 2,080,021,298,441,780.50/52,123,102.34
  6. Step 6: Final answer
    x = 39,905,938.16

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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.