Home / 127,250,612.10-190,697,989.05-68,832,179.46

Finding the Fourth Proportional to 127,250,612.10, 190,697,989.05 and 68,832,179.46

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Solution

The fourth proportional to 127,250,612.10, 190,697,989.05 and 68,832,179.46 is: 103,152,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,250,612.10 : 190,697,989.05 = 68,832,179.46 : x
  2. Step 2: Convert to fraction form
    127,250,612.10/190,697,989.05 = 68,832,179.46/x
  3. Step 3: Cross multiply
    127,250,612.10x = 190,697,989.05 × 68,832,179.46
  4. Step 4: Simplify right side
    127,250,612.10x = 13,126,158,204,950,714
  5. Step 5: Solve for x
    x = 13,126,158,204,950,714/127,250,612.10
  6. Step 6: Final answer
    x = 103,152,024.09

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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.