Home / 70,526,460.80-105,789,691.20-59,189,052.80

Finding the Fourth Proportional to 70,526,460.80, 105,789,691.20 and 59,189,052.80

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Solution

The fourth proportional to 70,526,460.80, 105,789,691.20 and 59,189,052.80 is: 88,783,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,526,460.80 : 105,789,691.20 = 59,189,052.80 : x
  2. Step 2: Convert to fraction form
    70,526,460.80/105,789,691.20 = 59,189,052.80/x
  3. Step 3: Cross multiply
    70,526,460.80x = 105,789,691.20 × 59,189,052.80
  4. Step 4: Simplify right side
    70,526,460.80x = 6,261,591,618,132,495
  5. Step 5: Solve for x
    x = 6,261,591,618,132,495/70,526,460.80
  6. Step 6: Final answer
    x = 88,783,579.20

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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.