Home / 156,560,710.40-234,841,065.60-131,240,499.20

Finding the Fourth Proportional to 156,560,710.40, 234,841,065.60 and 131,240,499.20

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Solution

The fourth proportional to 156,560,710.40, 234,841,065.60 and 131,240,499.20 is: 196,860,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,560,710.40 : 234,841,065.60 = 131,240,499.20 : x
  2. Step 2: Convert to fraction form
    156,560,710.40/234,841,065.60 = 131,240,499.20/x
  3. Step 3: Cross multiply
    156,560,710.40x = 234,841,065.60 × 131,240,499.20
  4. Step 4: Simplify right side
    156,560,710.40x = 30,820,658,682,003,948
  5. Step 5: Solve for x
    x = 30,820,658,682,003,948/156,560,710.40
  6. Step 6: Final answer
    x = 196,860,748.80

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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.