Home / 127,584,014.10-191,376,021.15-72,940,506.90

Finding the Fourth Proportional to 127,584,014.10, 191,376,021.15 and 72,940,506.90

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Solution

The fourth proportional to 127,584,014.10, 191,376,021.15 and 72,940,506.90 is: 109,410,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,584,014.10 : 191,376,021.15 = 72,940,506.90 : x
  2. Step 2: Convert to fraction form
    127,584,014.10/191,376,021.15 = 72,940,506.90/x
  3. Step 3: Cross multiply
    127,584,014.10x = 191,376,021.15 × 72,940,506.90
  4. Step 4: Simplify right side
    127,584,014.10x = 13,959,063,991,186,122
  5. Step 5: Solve for x
    x = 13,959,063,991,186,122/127,584,014.10
  6. Step 6: Final answer
    x = 109,410,760.35

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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.