Home / 122,560,278.66-169,128,095.22-66,804,472.08

Finding the Fourth Proportional to 122,560,278.66, 169,128,095.22 and 66,804,472.08

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Solution

The fourth proportional to 122,560,278.66, 169,128,095.22 and 66,804,472.08 is: 92,187,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,560,278.66 : 169,128,095.22 = 66,804,472.08 : x
  2. Step 2: Convert to fraction form
    122,560,278.66/169,128,095.22 = 66,804,472.08/x
  3. Step 3: Cross multiply
    122,560,278.66x = 169,128,095.22 × 66,804,472.08
  4. Step 4: Simplify right side
    122,560,278.66x = 11,298,513,115,068,072
  5. Step 5: Solve for x
    x = 11,298,513,115,068,072/122,560,278.66
  6. Step 6: Final answer
    x = 92,187,397.41

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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.