Home / 124,893,548.53-172,355,138.31-68,377,352.11

Finding the Fourth Proportional to 124,893,548.53, 172,355,138.31 and 68,377,352.11

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Solution

The fourth proportional to 124,893,548.53, 172,355,138.31 and 68,377,352.11 is: 94,361,863.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,893,548.53 : 172,355,138.31 = 68,377,352.11 : x
  2. Step 2: Convert to fraction form
    124,893,548.53/172,355,138.31 = 68,377,352.11/x
  3. Step 3: Cross multiply
    124,893,548.53x = 172,355,138.31 × 68,377,352.11
  4. Step 4: Simplify right side
    124,893,548.53x = 11,785,187,980,016,148
  5. Step 5: Solve for x
    x = 11,785,187,980,016,148/124,893,548.53
  6. Step 6: Final answer
    x = 94,361,863.51

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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.