Home / 107,087,136.30-147,725,851.14-69,939,158.94

Finding the Fourth Proportional to 107,087,136.30, 147,725,851.14 and 69,939,158.94

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Solution

The fourth proportional to 107,087,136.30, 147,725,851.14 and 69,939,158.94 is: 96,480,512.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,087,136.30 : 147,725,851.14 = 69,939,158.94 : x
  2. Step 2: Convert to fraction form
    107,087,136.30/147,725,851.14 = 69,939,158.94/x
  3. Step 3: Cross multiply
    107,087,136.30x = 147,725,851.14 × 69,939,158.94
  4. Step 4: Simplify right side
    107,087,136.30x = 10,331,821,782,427,238
  5. Step 5: Solve for x
    x = 10,331,821,782,427,238/107,087,136.30
  6. Step 6: Final answer
    x = 96,480,512.41

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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.