Home / 228,374,151.30-315,732,689.84-168,741,393.35

Finding the Fourth Proportional to 228,374,151.30, 315,732,689.84 and 168,741,393.35

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Solution

The fourth proportional to 228,374,151.30, 315,732,689.84 and 168,741,393.35 is: 233,288,985.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,374,151.30 : 315,732,689.84 = 168,741,393.35 : x
  2. Step 2: Convert to fraction form
    228,374,151.30/315,732,689.84 = 168,741,393.35/x
  3. Step 3: Cross multiply
    228,374,151.30x = 315,732,689.84 × 168,741,393.35
  4. Step 4: Simplify right side
    228,374,151.30x = 53,277,174,008,588,176
  5. Step 5: Solve for x
    x = 53,277,174,008,588,176/228,374,151.30
  6. Step 6: Final answer
    x = 233,288,985.23

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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.