Home / 55,731,727.01-83,564,476.68-21,190,654.55

Finding the Fourth Proportional to 55,731,727.01, 83,564,476.68 and 21,190,654.55

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Solution

The fourth proportional to 55,731,727.01, 83,564,476.68 and 21,190,654.55 is: 31,773,391.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,731,727.01 : 83,564,476.68 = 21,190,654.55 : x
  2. Step 2: Convert to fraction form
    55,731,727.01/83,564,476.68 = 21,190,654.55/x
  3. Step 3: Cross multiply
    55,731,727.01x = 83,564,476.68 × 21,190,654.55
  4. Step 4: Simplify right side
    55,731,727.01x = 1,770,785,957,977,411
  5. Step 5: Solve for x
    x = 1,770,785,957,977,411/55,731,727.01
  6. Step 6: Final answer
    x = 31,773,391.08

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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.