Home / 105,891,220.85-158,349,225.92-100,725,614.33

Finding the Fourth Proportional to 105,891,220.85, 158,349,225.92 and 100,725,614.33

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Solution

The fourth proportional to 105,891,220.85, 158,349,225.92 and 100,725,614.33 is: 150,624,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,891,220.85 : 158,349,225.92 = 100,725,614.33 : x
  2. Step 2: Convert to fraction form
    105,891,220.85/158,349,225.92 = 100,725,614.33/x
  3. Step 3: Cross multiply
    105,891,220.85x = 158,349,225.92 × 100,725,614.33
  4. Step 4: Simplify right side
    105,891,220.85x = 15,949,823,058,176,584
  5. Step 5: Solve for x
    x = 15,949,823,058,176,584/105,891,220.85
  6. Step 6: Final answer
    x = 150,624,602.60

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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.