Home / 131,467,987.80-197,201,981.70-126,445,870.35

Finding the Fourth Proportional to 131,467,987.80, 197,201,981.70 and 126,445,870.35

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Solution

The fourth proportional to 131,467,987.80, 197,201,981.70 and 126,445,870.35 is: 189,668,805.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,467,987.80 : 197,201,981.70 = 126,445,870.35 : x
  2. Step 2: Convert to fraction form
    131,467,987.80/197,201,981.70 = 126,445,870.35/x
  3. Step 3: Cross multiply
    131,467,987.80x = 197,201,981.70 × 126,445,870.35
  4. Step 4: Simplify right side
    131,467,987.80x = 24,935,376,210,801,268
  5. Step 5: Solve for x
    x = 24,935,376,210,801,268/131,467,987.80
  6. Step 6: Final answer
    x = 189,668,805.53

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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.