Home / 79,233,207.20-118,849,810.80-68,273,712.80

Finding the Fourth Proportional to 79,233,207.20, 118,849,810.80 and 68,273,712.80

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Solution

The fourth proportional to 79,233,207.20, 118,849,810.80 and 68,273,712.80 is: 102,410,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,233,207.20 : 118,849,810.80 = 68,273,712.80 : x
  2. Step 2: Convert to fraction form
    79,233,207.20/118,849,810.80 = 68,273,712.80/x
  3. Step 3: Cross multiply
    79,233,207.20x = 118,849,810.80 × 68,273,712.80
  4. Step 4: Simplify right side
    79,233,207.20x = 8,114,317,848,893,538
  5. Step 5: Solve for x
    x = 8,114,317,848,893,538/79,233,207.20
  6. Step 6: Final answer
    x = 102,410,569.20

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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.