Home / 42,629,459.04-63,965,183.76-19,907,053.92

Finding the Fourth Proportional to 42,629,459.04, 63,965,183.76 and 19,907,053.92

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Solution

The fourth proportional to 42,629,459.04, 63,965,183.76 and 19,907,053.92 is: 29,870,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,629,459.04 : 63,965,183.76 = 19,907,053.92 : x
  2. Step 2: Convert to fraction form
    42,629,459.04/63,965,183.76 = 19,907,053.92/x
  3. Step 3: Cross multiply
    42,629,459.04x = 63,965,183.76 × 19,907,053.92
  4. Step 4: Simplify right side
    42,629,459.04x = 1,273,358,362,113,028.50
  5. Step 5: Solve for x
    x = 1,273,358,362,113,028.50/42,629,459.04
  6. Step 6: Final answer
    x = 29,870,385.19

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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.