Home / 126,992,100.96-190,507,079.91-45,104,099.58

Finding the Fourth Proportional to 126,992,100.96, 190,507,079.91 and 45,104,099.58

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Solution

The fourth proportional to 126,992,100.96, 190,507,079.91 and 45,104,099.58 is: 67,662,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,992,100.96 : 190,507,079.91 = 45,104,099.58 : x
  2. Step 2: Convert to fraction form
    126,992,100.96/190,507,079.91 = 45,104,099.58/x
  3. Step 3: Cross multiply
    126,992,100.96x = 190,507,079.91 × 45,104,099.58
  4. Step 4: Simplify right side
    126,992,100.96x = 8,592,650,302,955,657
  5. Step 5: Solve for x
    x = 8,592,650,302,955,657/126,992,100.96
  6. Step 6: Final answer
    x = 67,662,872.24

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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.