Home / 124,893,379.34-172,354,903.96-68,377,182.31

Finding the Fourth Proportional to 124,893,379.34, 172,354,903.96 and 68,377,182.31

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Solution

The fourth proportional to 124,893,379.34, 172,354,903.96 and 68,377,182.31 is: 94,361,628.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,893,379.34 : 172,354,903.96 = 68,377,182.31 : x
  2. Step 2: Convert to fraction form
    124,893,379.34/172,354,903.96 = 68,377,182.31/x
  3. Step 3: Cross multiply
    124,893,379.34x = 172,354,903.96 × 68,377,182.31
  4. Step 4: Simplify right side
    124,893,379.34x = 11,785,142,690,355,406
  5. Step 5: Solve for x
    x = 11,785,142,690,355,406/124,893,379.34
  6. Step 6: Final answer
    x = 94,361,628.72

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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.