Home / 107,353,968.16-148,154,818.80-80,845,553.54

Finding the Fourth Proportional to 107,353,968.16, 148,154,818.80 and 80,845,553.54

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Solution

The fourth proportional to 107,353,968.16, 148,154,818.80 and 80,845,553.54 is: 111,571,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,353,968.16 : 148,154,818.80 = 80,845,553.54 : x
  2. Step 2: Convert to fraction form
    107,353,968.16/148,154,818.80 = 80,845,553.54/x
  3. Step 3: Cross multiply
    107,353,968.16x = 148,154,818.80 × 80,845,553.54
  4. Step 4: Simplify right side
    107,353,968.16x = 11,977,658,335,504,400
  5. Step 5: Solve for x
    x = 11,977,658,335,504,400/107,353,968.16
  6. Step 6: Final answer
    x = 111,571,640.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.