Home / 131,425,611.90-197,138,417.85-97,413,387.90

Finding the Fourth Proportional to 131,425,611.90, 197,138,417.85 and 97,413,387.90

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Solution

The fourth proportional to 131,425,611.90, 197,138,417.85 and 97,413,387.90 is: 146,120,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,425,611.90 : 197,138,417.85 = 97,413,387.90 : x
  2. Step 2: Convert to fraction form
    131,425,611.90/197,138,417.85 = 97,413,387.90/x
  3. Step 3: Cross multiply
    131,425,611.90x = 197,138,417.85 × 97,413,387.90
  4. Step 4: Simplify right side
    131,425,611.90x = 19,203,921,168,014,336
  5. Step 5: Solve for x
    x = 19,203,921,168,014,336/131,425,611.90
  6. Step 6: Final answer
    x = 146,120,081.85

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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.