Home / 117,569,005.01-162,005,954.24-90,945,617.61

Finding the Fourth Proportional to 117,569,005.01, 162,005,954.24 and 90,945,617.61

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Solution

The fourth proportional to 117,569,005.01, 162,005,954.24 and 90,945,617.61 is: 125,319,862.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,569,005.01 : 162,005,954.24 = 90,945,617.61 : x
  2. Step 2: Convert to fraction form
    117,569,005.01/162,005,954.24 = 90,945,617.61/x
  3. Step 3: Cross multiply
    117,569,005.01x = 162,005,954.24 × 90,945,617.61
  4. Step 4: Simplify right side
    117,569,005.01x = 14,733,731,564,854,198
  5. Step 5: Solve for x
    x = 14,733,731,564,854,198/117,569,005.01
  6. Step 6: Final answer
    x = 125,319,862.69

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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.