Home / 122,589,750.72-169,173,801.36-70,382,153.28

Finding the Fourth Proportional to 122,589,750.72, 169,173,801.36 and 70,382,153.28

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Solution

The fourth proportional to 122,589,750.72, 169,173,801.36 and 70,382,153.28 is: 97,127,340.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,589,750.72 : 169,173,801.36 = 70,382,153.28 : x
  2. Step 2: Convert to fraction form
    122,589,750.72/169,173,801.36 = 70,382,153.28/x
  3. Step 3: Cross multiply
    122,589,750.72x = 169,173,801.36 × 70,382,153.28
  4. Step 4: Simplify right side
    122,589,750.72x = 11,906,816,418,279,794
  5. Step 5: Solve for x
    x = 11,906,816,418,279,794/122,589,750.72
  6. Step 6: Final answer
    x = 97,127,340.16

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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.