Home / 101,704,003.80-152,556,005.70-72,889,258.20

Finding the Fourth Proportional to 101,704,003.80, 152,556,005.70 and 72,889,258.20

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Solution

The fourth proportional to 101,704,003.80, 152,556,005.70 and 72,889,258.20 is: 109,333,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,704,003.80 : 152,556,005.70 = 72,889,258.20 : x
  2. Step 2: Convert to fraction form
    101,704,003.80/152,556,005.70 = 72,889,258.20/x
  3. Step 3: Cross multiply
    101,704,003.80x = 152,556,005.70 × 72,889,258.20
  4. Step 4: Simplify right side
    101,704,003.80x = 11,119,694,089,427,972
  5. Step 5: Solve for x
    x = 11,119,694,089,427,972/101,704,003.80
  6. Step 6: Final answer
    x = 109,333,887.30

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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.