Home / 45,792,032.20-68,667,053.10-20,219,878.60

Finding the Fourth Proportional to 45,792,032.20, 68,667,053.10 and 20,219,878.60

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Solution

The fourth proportional to 45,792,032.20, 68,667,053.10 and 20,219,878.60 is: 30,320,547.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,792,032.20 : 68,667,053.10 = 20,219,878.60 : x
  2. Step 2: Convert to fraction form
    45,792,032.20/68,667,053.10 = 20,219,878.60/x
  3. Step 3: Cross multiply
    45,792,032.20x = 68,667,053.10 × 20,219,878.60
  4. Step 4: Simplify right side
    45,792,032.20x = 1,388,439,477,501,753.75
  5. Step 5: Solve for x
    x = 1,388,439,477,501,753.75/45,792,032.20
  6. Step 6: Final answer
    x = 30,320,547.28

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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.