Home / 129,452,187.60-194,047,644.60-64,656,334.80

Finding the Fourth Proportional to 129,452,187.60, 194,047,644.60 and 64,656,334.80

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Solution

The fourth proportional to 129,452,187.60, 194,047,644.60 and 64,656,334.80 is: 96,919,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,452,187.60 : 194,047,644.60 = 64,656,334.80 : x
  2. Step 2: Convert to fraction form
    129,452,187.60/194,047,644.60 = 64,656,334.80/x
  3. Step 3: Cross multiply
    129,452,187.60x = 194,047,644.60 × 64,656,334.80
  4. Step 4: Simplify right side
    129,452,187.60x = 12,546,409,476,409,012
  5. Step 5: Solve for x
    x = 12,546,409,476,409,012/129,452,187.60
  6. Step 6: Final answer
    x = 96,919,254.20

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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.