Home / 131,328,281.40-196,708,986.90-108,653,465.40

Finding the Fourth Proportional to 131,328,281.40, 196,708,986.90 and 108,653,465.40

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Solution

The fourth proportional to 131,328,281.40, 196,708,986.90 and 108,653,465.40 is: 162,745,700.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,281.40 : 196,708,986.90 = 108,653,465.40 : x
  2. Step 2: Convert to fraction form
    131,328,281.40/196,708,986.90 = 108,653,465.40/x
  3. Step 3: Cross multiply
    131,328,281.40x = 196,708,986.90 × 108,653,465.40
  4. Step 4: Simplify right side
    131,328,281.40x = 21,373,113,102,008,204
  5. Step 5: Solve for x
    x = 21,373,113,102,008,204/131,328,281.40
  6. Step 6: Final answer
    x = 162,745,700.12

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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.