Home / 51,774,330.72-77,691,169.68-21,063,242.28

Finding the Fourth Proportional to 51,774,330.72, 77,691,169.68 and 21,063,242.28

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Solution

The fourth proportional to 51,774,330.72, 77,691,169.68 and 21,063,242.28 is: 31,606,935.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,774,330.72 : 77,691,169.68 = 21,063,242.28 : x
  2. Step 2: Convert to fraction form
    51,774,330.72/77,691,169.68 = 21,063,242.28/x
  3. Step 3: Cross multiply
    51,774,330.72x = 77,691,169.68 × 21,063,242.28
  4. Step 4: Simplify right side
    51,774,330.72x = 1,636,427,929,986,430.25
  5. Step 5: Solve for x
    x = 1,636,427,929,986,430.25/51,774,330.72
  6. Step 6: Final answer
    x = 31,606,935.47

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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.