Home / 55,834,010.10-83,751,015.15-42,919,993.80

Finding the Fourth Proportional to 55,834,010.10, 83,751,015.15 and 42,919,993.80

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Solution

The fourth proportional to 55,834,010.10, 83,751,015.15 and 42,919,993.80 is: 64,379,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,834,010.10 : 83,751,015.15 = 42,919,993.80 : x
  2. Step 2: Convert to fraction form
    55,834,010.10/83,751,015.15 = 42,919,993.80/x
  3. Step 3: Cross multiply
    55,834,010.10x = 83,751,015.15 × 42,919,993.80
  4. Step 4: Simplify right side
    55,834,010.10x = 3,594,593,050,981,706
  5. Step 5: Solve for x
    x = 3,594,593,050,981,706/55,834,010.10
  6. Step 6: Final answer
    x = 64,379,990.70

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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.