Home / 395,464,381.92-592,781,328.40-133,057,838.72

Finding the Fourth Proportional to 395,464,381.92, 592,781,328.40 and 133,057,838.72

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Solution

The fourth proportional to 395,464,381.92, 592,781,328.40 and 133,057,838.72 is: 199,447,045.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,464,381.92 : 592,781,328.40 = 133,057,838.72 : x
  2. Step 2: Convert to fraction form
    395,464,381.92/592,781,328.40 = 133,057,838.72/x
  3. Step 3: Cross multiply
    395,464,381.92x = 592,781,328.40 × 133,057,838.72
  4. Step 4: Simplify right side
    395,464,381.92x = 78,874,202,390,474,544
  5. Step 5: Solve for x
    x = 78,874,202,390,474,544/395,464,381.92
  6. Step 6: Final answer
    x = 199,447,045.03

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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.