Home / 314,913,095.96-472,315,815.78-84,828,371.80

Finding the Fourth Proportional to 314,913,095.96, 472,315,815.78 and 84,828,371.80

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Solution

The fourth proportional to 314,913,095.96, 472,315,815.78 and 84,828,371.80 is: 127,228,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,913,095.96 : 472,315,815.78 = 84,828,371.80 : x
  2. Step 2: Convert to fraction form
    314,913,095.96/472,315,815.78 = 84,828,371.80/x
  3. Step 3: Cross multiply
    314,913,095.96x = 472,315,815.78 × 84,828,371.80
  4. Step 4: Simplify right side
    314,913,095.96x = 40,065,781,628,006,144
  5. Step 5: Solve for x
    x = 40,065,781,628,006,144/314,913,095.96
  6. Step 6: Final answer
    x = 127,228,057.97

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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.