Home / 76,658,601.60-114,987,902.40-55,047,542.40

Finding the Fourth Proportional to 76,658,601.60, 114,987,902.40 and 55,047,542.40

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Solution

The fourth proportional to 76,658,601.60, 114,987,902.40 and 55,047,542.40 is: 82,571,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,658,601.60 : 114,987,902.40 = 55,047,542.40 : x
  2. Step 2: Convert to fraction form
    76,658,601.60/114,987,902.40 = 55,047,542.40/x
  3. Step 3: Cross multiply
    76,658,601.60x = 114,987,902.40 × 55,047,542.40
  4. Step 4: Simplify right side
    76,658,601.60x = 6,329,801,432,851,062
  5. Step 5: Solve for x
    x = 6,329,801,432,851,062/76,658,601.60
  6. Step 6: Final answer
    x = 82,571,313.60

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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.