Home / 314,930,228.20-472,395,342.30-84,922,563.40

Finding the Fourth Proportional to 314,930,228.20, 472,395,342.30 and 84,922,563.40

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Solution

The fourth proportional to 314,930,228.20, 472,395,342.30 and 84,922,563.40 is: 127,383,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,228.20 : 472,395,342.30 = 84,922,563.40 : x
  2. Step 2: Convert to fraction form
    314,930,228.20/472,395,342.30 = 84,922,563.40/x
  3. Step 3: Cross multiply
    314,930,228.20x = 472,395,342.30 × 84,922,563.40
  4. Step 4: Simplify right side
    314,930,228.20x = 40,117,023,406,336,456
  5. Step 5: Solve for x
    x = 40,117,023,406,336,456/314,930,228.20
  6. Step 6: Final answer
    x = 127,383,845.10

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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.