Home / 55,756,223.05-83,615,471.29-21,204,415.93

Finding the Fourth Proportional to 55,756,223.05, 83,615,471.29 and 21,204,415.93

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Solution

The fourth proportional to 55,756,223.05, 83,615,471.29 and 21,204,415.93 is: 31,799,450.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,756,223.05 : 83,615,471.29 = 21,204,415.93 : x
  2. Step 2: Convert to fraction form
    55,756,223.05/83,615,471.29 = 21,204,415.93/x
  3. Step 3: Cross multiply
    55,756,223.05x = 83,615,471.29 × 21,204,415.93
  4. Step 4: Simplify right side
    55,756,223.05x = 1,773,017,231,416,133.75
  5. Step 5: Solve for x
    x = 1,773,017,231,416,133.75/55,756,223.05
  6. Step 6: Final answer
    x = 31,799,450.08

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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.