Home / 77,201,177.90-115,805,491.02-25,384,633.34

Finding the Fourth Proportional to 77,201,177.90, 115,805,491.02 and 25,384,633.34

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Solution

The fourth proportional to 77,201,177.90, 115,805,491.02 and 25,384,633.34 is: 38,078,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,201,177.90 : 115,805,491.02 = 25,384,633.34 : x
  2. Step 2: Convert to fraction form
    77,201,177.90/115,805,491.02 = 25,384,633.34/x
  3. Step 3: Cross multiply
    77,201,177.90x = 115,805,491.02 × 25,384,633.34
  4. Step 4: Simplify right side
    77,201,177.90x = 2,939,679,927,722,335
  5. Step 5: Solve for x
    x = 2,939,679,927,722,335/77,201,177.90
  6. Step 6: Final answer
    x = 38,078,174.55

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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.