Home / 55,731,730.02-83,564,481.18-21,190,657.56

Finding the Fourth Proportional to 55,731,730.02, 83,564,481.18 and 21,190,657.56

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Solution

The fourth proportional to 55,731,730.02, 83,564,481.18 and 21,190,657.56 is: 31,773,395.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,731,730.02 : 83,564,481.18 = 21,190,657.56 : x
  2. Step 2: Convert to fraction form
    55,731,730.02/83,564,481.18 = 21,190,657.56/x
  3. Step 3: Cross multiply
    55,731,730.02x = 83,564,481.18 × 21,190,657.56
  4. Step 4: Simplify right side
    55,731,730.02x = 1,770,786,304,864,444.75
  5. Step 5: Solve for x
    x = 1,770,786,304,864,444.75/55,731,730.02
  6. Step 6: Final answer
    x = 31,773,395.59

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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.