Home / 315,046,036.04-472,565,252.72-81,856,114.02

Finding the Fourth Proportional to 315,046,036.04, 472,565,252.72 and 81,856,114.02

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Solution

The fourth proportional to 315,046,036.04, 472,565,252.72 and 81,856,114.02 is: 122,783,183.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,046,036.04 : 472,565,252.72 = 81,856,114.02 : x
  2. Step 2: Convert to fraction form
    315,046,036.04/472,565,252.72 = 81,856,114.02/x
  3. Step 3: Cross multiply
    315,046,036.04x = 472,565,252.72 × 81,856,114.02
  4. Step 4: Simplify right side
    315,046,036.04x = 38,682,355,208,538,432
  5. Step 5: Solve for x
    x = 38,682,355,208,538,432/315,046,036.04
  6. Step 6: Final answer
    x = 122,783,183.36

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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.