Home / 100,992,005.20-151,488,007.80-32,836,920.40

Finding the Fourth Proportional to 100,992,005.20, 151,488,007.80 and 32,836,920.40

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Solution

The fourth proportional to 100,992,005.20, 151,488,007.80 and 32,836,920.40 is: 49,255,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,992,005.20 : 151,488,007.80 = 32,836,920.40 : x
  2. Step 2: Convert to fraction form
    100,992,005.20/151,488,007.80 = 32,836,920.40/x
  3. Step 3: Cross multiply
    100,992,005.20x = 151,488,007.80 × 32,836,920.40
  4. Step 4: Simplify right side
    100,992,005.20x = 4,974,399,653,683,179
  5. Step 5: Solve for x
    x = 4,974,399,653,683,179/100,992,005.20
  6. Step 6: Final answer
    x = 49,255,380.60

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1.5x scale

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.