Home / 100,809,859.80-151,115,256.90-49,650,000.60

Finding the Fourth Proportional to 100,809,859.80, 151,115,256.90 and 49,650,000.60

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Solution

The fourth proportional to 100,809,859.80, 151,115,256.90 and 49,650,000.60 is: 74,425,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,809,859.80 : 151,115,256.90 = 49,650,000.60 : x
  2. Step 2: Convert to fraction form
    100,809,859.80/151,115,256.90 = 49,650,000.60/x
  3. Step 3: Cross multiply
    100,809,859.80x = 151,115,256.90 × 49,650,000.60
  4. Step 4: Simplify right side
    100,809,859.80x = 7,502,872,595,754,155
  5. Step 5: Solve for x
    x = 7,502,872,595,754,155/100,809,859.80
  6. Step 6: Final answer
    x = 74,425,979.87

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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.