Home / 131,328,005.20-196,992,007.80-82,955,064.40

Finding the Fourth Proportional to 131,328,005.20, 196,992,007.80 and 82,955,064.40

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Solution

The fourth proportional to 131,328,005.20, 196,992,007.80 and 82,955,064.40 is: 124,432,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,005.20 : 196,992,007.80 = 82,955,064.40 : x
  2. Step 2: Convert to fraction form
    131,328,005.20/196,992,007.80 = 82,955,064.40/x
  3. Step 3: Cross multiply
    131,328,005.20x = 196,992,007.80 × 82,955,064.40
  4. Step 4: Simplify right side
    131,328,005.20x = 16,341,484,693,334,304
  5. Step 5: Solve for x
    x = 16,341,484,693,334,304/131,328,005.20
  6. Step 6: Final answer
    x = 124,432,596.60

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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.