Home / 65,604,697.60-98,416,437.76-20,170,306.56

Finding the Fourth Proportional to 65,604,697.60, 98,416,437.76 and 20,170,306.56

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Solution

The fourth proportional to 65,604,697.60, 98,416,437.76 and 20,170,306.56 is: 30,258,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,604,697.60 : 98,416,437.76 = 20,170,306.56 : x
  2. Step 2: Convert to fraction form
    65,604,697.60/98,416,437.76 = 20,170,306.56/x
  3. Step 3: Cross multiply
    65,604,697.60x = 98,416,437.76 × 20,170,306.56
  4. Step 4: Simplify right side
    65,604,697.60x = 1,985,089,720,162,359.75
  5. Step 5: Solve for x
    x = 1,985,089,720,162,359.75/65,604,697.60
  6. Step 6: Final answer
    x = 30,258,347.23

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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.