Home / 314,146,153.76-471,251,410.56-120,220,671.20

Finding the Fourth Proportional to 314,146,153.76, 471,251,410.56 and 120,220,671.20

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Solution

The fourth proportional to 314,146,153.76, 471,251,410.56 and 120,220,671.20 is: 180,343,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,146,153.76 : 471,251,410.56 = 120,220,671.20 : x
  2. Step 2: Convert to fraction form
    314,146,153.76/471,251,410.56 = 120,220,671.20/x
  3. Step 3: Cross multiply
    314,146,153.76x = 471,251,410.56 × 120,220,671.20
  4. Step 4: Simplify right side
    314,146,153.76x = 56,654,160,881,469,968
  5. Step 5: Solve for x
    x = 56,654,160,881,469,968/314,146,153.76
  6. Step 6: Final answer
    x = 180,343,321.74

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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.