Home / 31,676,259.51-43,690,655.45-29,071,161.15

Finding the Fourth Proportional to 31,676,259.51, 43,690,655.45 and 29,071,161.15

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Solution

The fourth proportional to 31,676,259.51, 43,690,655.45 and 29,071,161.15 is: 40,097,476.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,676,259.51 : 43,690,655.45 = 29,071,161.15 : x
  2. Step 2: Convert to fraction form
    31,676,259.51/43,690,655.45 = 29,071,161.15/x
  3. Step 3: Cross multiply
    31,676,259.51x = 43,690,655.45 × 29,071,161.15
  4. Step 4: Simplify right side
    31,676,259.51x = 1,270,138,085,190,720
  5. Step 5: Solve for x
    x = 1,270,138,085,190,720/31,676,259.51
  6. Step 6: Final answer
    x = 40,097,476.94

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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.