Home / 131,106,638.64-196,717,973.58-68,843,306.64

Finding the Fourth Proportional to 131,106,638.64, 196,717,973.58 and 68,843,306.64

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Solution

The fourth proportional to 131,106,638.64, 196,717,973.58 and 68,843,306.64 is: 103,295,423.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,106,638.64 : 196,717,973.58 = 68,843,306.64 : x
  2. Step 2: Convert to fraction form
    131,106,638.64/196,717,973.58 = 68,843,306.64/x
  3. Step 3: Cross multiply
    131,106,638.64x = 196,717,973.58 × 68,843,306.64
  4. Step 4: Simplify right side
    131,106,638.64x = 13,542,715,776,767,360
  5. Step 5: Solve for x
    x = 13,542,715,776,767,360/131,106,638.64
  6. Step 6: Final answer
    x = 103,295,423.61

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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.