Home / 159,529,803.60-220,150,915.74-86,190,945.60

Finding the Fourth Proportional to 159,529,803.60, 220,150,915.74 and 86,190,945.60

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Solution

The fourth proportional to 159,529,803.60, 220,150,915.74 and 86,190,945.60 is: 118,943,389.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,529,803.60 : 220,150,915.74 = 86,190,945.60 : x
  2. Step 2: Convert to fraction form
    159,529,803.60/220,150,915.74 = 86,190,945.60/x
  3. Step 3: Cross multiply
    159,529,803.60x = 220,150,915.74 × 86,190,945.60
  4. Step 4: Simplify right side
    159,529,803.60x = 18,975,015,602,336,524
  5. Step 5: Solve for x
    x = 18,975,015,602,336,524/159,529,803.60
  6. Step 6: Final answer
    x = 118,943,389.72

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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.