Home / 97,980,732.45-146,970,921.65-28,942,019.81

Finding the Fourth Proportional to 97,980,732.45, 146,970,921.65 and 28,942,019.81

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Solution

The fourth proportional to 97,980,732.45, 146,970,921.65 and 28,942,019.81 is: 43,412,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,980,732.45 : 146,970,921.65 = 28,942,019.81 : x
  2. Step 2: Convert to fraction form
    97,980,732.45/146,970,921.65 = 28,942,019.81/x
  3. Step 3: Cross multiply
    97,980,732.45x = 146,970,921.65 × 28,942,019.81
  4. Step 4: Simplify right side
    97,980,732.45x = 4,253,635,326,054,591
  5. Step 5: Solve for x
    x = 4,253,635,326,054,591/97,980,732.45
  6. Step 6: Final answer
    x = 43,412,977.43

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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.