Home / 331,375,778.40-497,063,405.04-89,038,682.40

Finding the Fourth Proportional to 331,375,778.40, 497,063,405.04 and 89,038,682.40

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Solution

The fourth proportional to 331,375,778.40, 497,063,405.04 and 89,038,682.40 is: 133,557,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,375,778.40 : 497,063,405.04 = 89,038,682.40 : x
  2. Step 2: Convert to fraction form
    331,375,778.40/497,063,405.04 = 89,038,682.40/x
  3. Step 3: Cross multiply
    331,375,778.40x = 497,063,405.04 × 89,038,682.40
  4. Step 4: Simplify right side
    331,375,778.40x = 44,257,870,654,019,128
  5. Step 5: Solve for x
    x = 44,257,870,654,019,128/331,375,778.40
  6. Step 6: Final answer
    x = 133,557,953.05

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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.