Home / 122,266,355.28-168,728,963.40-70,054,342.80

Finding the Fourth Proportional to 122,266,355.28, 168,728,963.40 and 70,054,342.80

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Solution

The fourth proportional to 122,266,355.28, 168,728,963.40 and 70,054,342.80 is: 96,675,791.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,266,355.28 : 168,728,963.40 = 70,054,342.80 : x
  2. Step 2: Convert to fraction form
    122,266,355.28/168,728,963.40 = 70,054,342.80/x
  3. Step 3: Cross multiply
    122,266,355.28x = 168,728,963.40 × 70,054,342.80
  4. Step 4: Simplify right side
    122,266,355.28x = 11,820,196,642,312,254
  5. Step 5: Solve for x
    x = 11,820,196,642,312,254/122,266,355.28
  6. Step 6: Final answer
    x = 96,675,791.27

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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.