Home / 125,391,079.82-173,045,436-69,636,746.36

Finding the Fourth Proportional to 125,391,079.82, 173,045,436 and 69,636,746.36

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Solution

The fourth proportional to 125,391,079.82, 173,045,436 and 69,636,746.36 is: 96,101,900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,391,079.82 : 173,045,436 = 69,636,746.36 : x
  2. Step 2: Convert to fraction form
    125,391,079.82/173,045,436 = 69,636,746.36/x
  3. Step 3: Cross multiply
    125,391,079.82x = 173,045,436 × 69,636,746.36
  4. Step 4: Simplify right side
    125,391,079.82x = 12,050,321,135,487,612
  5. Step 5: Solve for x
    x = 12,050,321,135,487,612/125,391,079.82
  6. Step 6: Final answer
    x = 96,101,900.97

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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.