Home / 105,891,205.48-158,349,202.89-100,725,598.96

Finding the Fourth Proportional to 105,891,205.48, 158,349,202.89 and 100,725,598.96

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Solution

The fourth proportional to 105,891,205.48, 158,349,202.89 and 100,725,598.96 is: 150,624,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,891,205.48 : 158,349,202.89 = 100,725,598.96 : x
  2. Step 2: Convert to fraction form
    105,891,205.48/158,349,202.89 = 100,725,598.96/x
  3. Step 3: Cross multiply
    105,891,205.48x = 158,349,202.89 × 100,725,598.96
  4. Step 4: Simplify right side
    105,891,205.48x = 15,949,818,305,537,938
  5. Step 5: Solve for x
    x = 15,949,818,305,537,938/105,891,205.48
  6. Step 6: Final answer
    x = 150,624,579.57

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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.