Home / 424,103,036.75-636,083,695.24-117,426,150.35

Finding the Fourth Proportional to 424,103,036.75, 636,083,695.24 and 117,426,150.35

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Solution

The fourth proportional to 424,103,036.75, 636,083,695.24 and 117,426,150.35 is: 176,119,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,103,036.75 : 636,083,695.24 = 117,426,150.35 : x
  2. Step 2: Convert to fraction form
    424,103,036.75/636,083,695.24 = 117,426,150.35/x
  3. Step 3: Cross multiply
    424,103,036.75x = 636,083,695.24 × 117,426,150.35
  4. Step 4: Simplify right side
    424,103,036.75x = 74,692,859,628,961,824
  5. Step 5: Solve for x
    x = 74,692,859,628,961,824/424,103,036.75
  6. Step 6: Final answer
    x = 176,119,605.75

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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.