Home / 55,389,645.38-83,010,201.26-43,108,438.20

Finding the Fourth Proportional to 55,389,645.38, 83,010,201.26 and 43,108,438.20

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Solution

The fourth proportional to 55,389,645.38, 83,010,201.26 and 43,108,438.20 is: 64,604,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,389,645.38 : 83,010,201.26 = 43,108,438.20 : x
  2. Step 2: Convert to fraction form
    55,389,645.38/83,010,201.26 = 43,108,438.20/x
  3. Step 3: Cross multiply
    55,389,645.38x = 83,010,201.26 × 43,108,438.20
  4. Step 4: Simplify right side
    55,389,645.38x = 3,578,440,130,770,730
  5. Step 5: Solve for x
    x = 3,578,440,130,770,730/55,389,645.38
  6. Step 6: Final answer
    x = 64,604,857.22

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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.