Home / 126,388,717.76-174,421,817.09-70,634,136.56

Finding the Fourth Proportional to 126,388,717.76, 174,421,817.09 and 70,634,136.56

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Solution

The fourth proportional to 126,388,717.76, 174,421,817.09 and 70,634,136.56 is: 97,478,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,388,717.76 : 174,421,817.09 = 70,634,136.56 : x
  2. Step 2: Convert to fraction form
    126,388,717.76/174,421,817.09 = 70,634,136.56/x
  3. Step 3: Cross multiply
    126,388,717.76x = 174,421,817.09 × 70,634,136.56
  4. Step 4: Simplify right side
    126,388,717.76x = 12,320,134,446,682,880
  5. Step 5: Solve for x
    x = 12,320,134,446,682,880/126,388,717.76
  6. Step 6: Final answer
    x = 97,478,118.81

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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.