Home / 105,579,832.28-158,460,923.75-73,254,435.22

Finding the Fourth Proportional to 105,579,832.28, 158,460,923.75 and 73,254,435.22

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Solution

The fourth proportional to 105,579,832.28, 158,460,923.75 and 73,254,435.22 is: 109,944,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,579,832.28 : 158,460,923.75 = 73,254,435.22 : x
  2. Step 2: Convert to fraction form
    105,579,832.28/158,460,923.75 = 73,254,435.22/x
  3. Step 3: Cross multiply
    105,579,832.28x = 158,460,923.75 × 73,254,435.22
  4. Step 4: Simplify right side
    105,579,832.28x = 11,607,965,472,983,310
  5. Step 5: Solve for x
    x = 11,607,965,472,983,310/105,579,832.28
  6. Step 6: Final answer
    x = 109,944,912.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.