Home / 42,579,221.32-58,759,346.98-23,000,108.68

Finding the Fourth Proportional to 42,579,221.32, 58,759,346.98 and 23,000,108.68

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Solution

The fourth proportional to 42,579,221.32, 58,759,346.98 and 23,000,108.68 is: 31,740,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,579,221.32 : 58,759,346.98 = 23,000,108.68 : x
  2. Step 2: Convert to fraction form
    42,579,221.32/58,759,346.98 = 23,000,108.68/x
  3. Step 3: Cross multiply
    42,579,221.32x = 58,759,346.98 × 23,000,108.68
  4. Step 4: Simplify right side
    42,579,221.32x = 1,351,471,366,505,829.75
  5. Step 5: Solve for x
    x = 1,351,471,366,505,829.75/42,579,221.32
  6. Step 6: Final answer
    x = 31,740,161.62

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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.