Home / 122,804,142.11-169,484,576.67-69,893,714.19

Finding the Fourth Proportional to 122,804,142.11, 169,484,576.67 and 69,893,714.19

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Solution

The fourth proportional to 122,804,142.11, 169,484,576.67 and 69,893,714.19 is: 96,461,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,804,142.11 : 169,484,576.67 = 69,893,714.19 : x
  2. Step 2: Convert to fraction form
    122,804,142.11/169,484,576.67 = 69,893,714.19/x
  3. Step 3: Cross multiply
    122,804,142.11x = 169,484,576.67 × 69,893,714.19
  4. Step 4: Simplify right side
    122,804,142.11x = 11,845,906,561,386,120
  5. Step 5: Solve for x
    x = 11,845,906,561,386,120/122,804,142.11
  6. Step 6: Final answer
    x = 96,461,783.44

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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.