Home / 55,389,627.50-83,010,174.38-43,108,420.34

Finding the Fourth Proportional to 55,389,627.50, 83,010,174.38 and 43,108,420.34

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Solution

The fourth proportional to 55,389,627.50, 83,010,174.38 and 43,108,420.34 is: 64,604,830.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,389,627.50 : 83,010,174.38 = 43,108,420.34 : x
  2. Step 2: Convert to fraction form
    55,389,627.50/83,010,174.38 = 43,108,420.34/x
  3. Step 3: Cross multiply
    55,389,627.50x = 83,010,174.38 × 43,108,420.34
  4. Step 4: Simplify right side
    55,389,627.50x = 3,578,437,489,669,739
  5. Step 5: Solve for x
    x = 3,578,437,489,669,739/55,389,627.50
  6. Step 6: Final answer
    x = 64,604,830.38

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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.