Home / 113,421,714.30-170,132,571.45-107,449,746.30

Finding the Fourth Proportional to 113,421,714.30, 170,132,571.45 and 107,449,746.30

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Solution

The fourth proportional to 113,421,714.30, 170,132,571.45 and 107,449,746.30 is: 161,174,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,421,714.30 : 170,132,571.45 = 107,449,746.30 : x
  2. Step 2: Convert to fraction form
    113,421,714.30/170,132,571.45 = 107,449,746.30/x
  3. Step 3: Cross multiply
    113,421,714.30x = 170,132,571.45 × 107,449,746.30
  4. Step 4: Simplify right side
    113,421,714.30x = 18,280,701,639,669,120
  5. Step 5: Solve for x
    x = 18,280,701,639,669,120/113,421,714.30
  6. Step 6: Final answer
    x = 161,174,619.45

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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.