Home / 99,325,000.40-148,992,166.20-31,169,915.60

Finding the Fourth Proportional to 99,325,000.40, 148,992,166.20 and 31,169,915.60

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Solution

The fourth proportional to 99,325,000.40, 148,992,166.20 and 31,169,915.60 is: 46,756,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,325,000.40 : 148,992,166.20 = 31,169,915.60 : x
  2. Step 2: Convert to fraction form
    99,325,000.40/148,992,166.20 = 31,169,915.60/x
  3. Step 3: Cross multiply
    99,325,000.40x = 148,992,166.20 × 31,169,915.60
  4. Step 4: Simplify right side
    99,325,000.40x = 4,644,073,245,515,173
  5. Step 5: Solve for x
    x = 4,644,073,245,515,173/99,325,000.40
  6. Step 6: Final answer
    x = 46,756,337.55

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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.