Home / 126,338,142.21-174,343,424.25-70,583,981.41

Finding the Fourth Proportional to 126,338,142.21, 174,343,424.25 and 70,583,981.41

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Solution

The fourth proportional to 126,338,142.21, 174,343,424.25 and 70,583,981.41 is: 97,404,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,338,142.21 : 174,343,424.25 = 70,583,981.41 : x
  2. Step 2: Convert to fraction form
    126,338,142.21/174,343,424.25 = 70,583,981.41/x
  3. Step 3: Cross multiply
    126,338,142.21x = 174,343,424.25 × 70,583,981.41
  4. Step 4: Simplify right side
    126,338,142.21x = 12,305,853,016,217,742
  5. Step 5: Solve for x
    x = 12,305,853,016,217,742/126,338,142.21
  6. Step 6: Final answer
    x = 97,404,099.83

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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.