Home / 127,008,664.20-190,512,996.30-75,276,491.40

Finding the Fourth Proportional to 127,008,664.20, 190,512,996.30 and 75,276,491.40

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Solution

The fourth proportional to 127,008,664.20, 190,512,996.30 and 75,276,491.40 is: 112,914,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,008,664.20 : 190,512,996.30 = 75,276,491.40 : x
  2. Step 2: Convert to fraction form
    127,008,664.20/190,512,996.30 = 75,276,491.40/x
  3. Step 3: Cross multiply
    127,008,664.20x = 190,512,996.30 × 75,276,491.40
  4. Step 4: Simplify right side
    127,008,664.20x = 14,341,149,927,565,184
  5. Step 5: Solve for x
    x = 14,341,149,927,565,184/127,008,664.20
  6. Step 6: Final answer
    x = 112,914,737.10

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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.