Home / 122,266,321.28-168,728,916.48-70,054,308.80

Finding the Fourth Proportional to 122,266,321.28, 168,728,916.48 and 70,054,308.80

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Solution

The fourth proportional to 122,266,321.28, 168,728,916.48 and 70,054,308.80 is: 96,675,744.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,266,321.28 : 168,728,916.48 = 70,054,308.80 : x
  2. Step 2: Convert to fraction form
    122,266,321.28/168,728,916.48 = 70,054,308.80/x
  3. Step 3: Cross multiply
    122,266,321.28x = 168,728,916.48 × 70,054,308.80
  4. Step 4: Simplify right side
    122,266,321.28x = 11,820,187,618,579,328
  5. Step 5: Solve for x
    x = 11,820,187,618,579,328/122,266,321.28
  6. Step 6: Final answer
    x = 96,675,744.35

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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.