Home / 55,720,365.80-83,580,548.70-17,381,818.40

Finding the Fourth Proportional to 55,720,365.80, 83,580,548.70 and 17,381,818.40

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Solution

The fourth proportional to 55,720,365.80, 83,580,548.70 and 17,381,818.40 is: 26,072,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,720,365.80 : 83,580,548.70 = 17,381,818.40 : x
  2. Step 2: Convert to fraction form
    55,720,365.80/83,580,548.70 = 17,381,818.40/x
  3. Step 3: Cross multiply
    55,720,365.80x = 83,580,548.70 × 17,381,818.40
  4. Step 4: Simplify right side
    55,720,365.80x = 1,452,781,919,275,756
  5. Step 5: Solve for x
    x = 1,452,781,919,275,756/55,720,365.80
  6. Step 6: Final answer
    x = 26,072,727.60

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Double scale
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Similar ratio
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1.5x scale

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.