Home / 228,374,813.04-315,157,475.24-123,952,905.90

Finding the Fourth Proportional to 228,374,813.04, 315,157,475.24 and 123,952,905.90

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Solution

The fourth proportional to 228,374,813.04, 315,157,475.24 and 123,952,905.90 is: 171,055,136.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,374,813.04 : 315,157,475.24 = 123,952,905.90 : x
  2. Step 2: Convert to fraction form
    228,374,813.04/315,157,475.24 = 123,952,905.90/x
  3. Step 3: Cross multiply
    228,374,813.04x = 315,157,475.24 × 123,952,905.90
  4. Step 4: Simplify right side
    228,374,813.04x = 39,064,684,872,105,304
  5. Step 5: Solve for x
    x = 39,064,684,872,105,304/228,374,813.04
  6. Step 6: Final answer
    x = 171,055,136.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.