Home / 112,213,994.40-168,037,556.40-73,666,807.20

Finding the Fourth Proportional to 112,213,994.40, 168,037,556.40 and 73,666,807.20

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Solution

The fourth proportional to 112,213,994.40, 168,037,556.40 and 73,666,807.20 is: 110,314,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,213,994.40 : 168,037,556.40 = 73,666,807.20 : x
  2. Step 2: Convert to fraction form
    112,213,994.40/168,037,556.40 = 73,666,807.20/x
  3. Step 3: Cross multiply
    112,213,994.40x = 168,037,556.40 × 73,666,807.20
  4. Step 4: Simplify right side
    112,213,994.40x = 12,378,790,269,677,928
  5. Step 5: Solve for x
    x = 12,378,790,269,677,928/112,213,994.40
  6. Step 6: Final answer
    x = 110,314,139.83

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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.