Home / 122,044,731.36-168,423,093.82-71,820,054.29

Finding the Fourth Proportional to 122,044,731.36, 168,423,093.82 and 71,820,054.29

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Solution

The fourth proportional to 122,044,731.36, 168,423,093.82 and 71,820,054.29 is: 99,112,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,044,731.36 : 168,423,093.82 = 71,820,054.29 : x
  2. Step 2: Convert to fraction form
    122,044,731.36/168,423,093.82 = 71,820,054.29/x
  3. Step 3: Cross multiply
    122,044,731.36x = 168,423,093.82 × 71,820,054.29
  4. Step 4: Simplify right side
    122,044,731.36x = 12,096,155,741,596,988
  5. Step 5: Solve for x
    x = 12,096,155,741,596,988/122,044,731.36
  6. Step 6: Final answer
    x = 99,112,477.91

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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.