Home / 55,731,689.35-83,564,420.51-21,190,616.96

Finding the Fourth Proportional to 55,731,689.35, 83,564,420.51 and 21,190,616.96

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Solution

The fourth proportional to 55,731,689.35, 83,564,420.51 and 21,190,616.96 is: 31,773,334.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,731,689.35 : 83,564,420.51 = 21,190,616.96 : x
  2. Step 2: Convert to fraction form
    55,731,689.35/83,564,420.51 = 21,190,616.96/x
  3. Step 3: Cross multiply
    55,731,689.35x = 83,564,420.51 × 21,190,616.96
  4. Step 4: Simplify right side
    55,731,689.35x = 1,770,781,626,146,932.25
  5. Step 5: Solve for x
    x = 1,770,781,626,146,932.25/55,731,689.35
  6. Step 6: Final answer
    x = 31,773,334.83

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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.