Home / 55,389,839.78-83,010,491.43-43,108,631.93

Finding the Fourth Proportional to 55,389,839.78, 83,010,491.43 and 43,108,631.93

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Solution

The fourth proportional to 55,389,839.78, 83,010,491.43 and 43,108,631.93 is: 64,605,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,389,839.78 : 83,010,491.43 = 43,108,631.93 : x
  2. Step 2: Convert to fraction form
    55,389,839.78/83,010,491.43 = 43,108,631.93/x
  3. Step 3: Cross multiply
    55,389,839.78x = 83,010,491.43 × 43,108,631.93
  4. Step 4: Simplify right side
    55,389,839.78x = 3,578,468,721,672,644.50
  5. Step 5: Solve for x
    x = 3,578,468,721,672,644.50/55,389,839.78
  6. Step 6: Final answer
    x = 64,605,146.64

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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.