Home / 126,659,800.66-174,789,188.97-70,905,678.97

Finding the Fourth Proportional to 126,659,800.66, 174,789,188.97 and 70,905,678.97

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Solution

The fourth proportional to 126,659,800.66, 174,789,188.97 and 70,905,678.97 is: 97,849,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,659,800.66 : 174,789,188.97 = 70,905,678.97 : x
  2. Step 2: Convert to fraction form
    126,659,800.66/174,789,188.97 = 70,905,678.97/x
  3. Step 3: Cross multiply
    126,659,800.66x = 174,789,188.97 × 70,905,678.97
  4. Step 4: Simplify right side
    126,659,800.66x = 12,393,546,120,178,956
  5. Step 5: Solve for x
    x = 12,393,546,120,178,956/126,659,800.66
  6. Step 6: Final answer
    x = 97,849,089.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.