Home / 122,477,421.62-169,018,545.92-66,723,300.18

Finding the Fourth Proportional to 122,477,421.62, 169,018,545.92 and 66,723,300.18

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Solution

The fourth proportional to 122,477,421.62, 169,018,545.92 and 66,723,300.18 is: 92,077,993.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,477,421.62 : 169,018,545.92 = 66,723,300.18 : x
  2. Step 2: Convert to fraction form
    122,477,421.62/169,018,545.92 = 66,723,300.18/x
  3. Step 3: Cross multiply
    122,477,421.62x = 169,018,545.92 × 66,723,300.18
  4. Step 4: Simplify right side
    122,477,421.62x = 11,277,475,175,419,182
  5. Step 5: Solve for x
    x = 11,277,475,175,419,182/122,477,421.62
  6. Step 6: Final answer
    x = 92,077,993.04

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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.