Home / 243,435,825.70-335,949,563.83-133,427,820.58

Finding the Fourth Proportional to 243,435,825.70, 335,949,563.83 and 133,427,820.58

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Solution

The fourth proportional to 243,435,825.70, 335,949,563.83 and 133,427,820.58 is: 184,134,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,435,825.70 : 335,949,563.83 = 133,427,820.58 : x
  2. Step 2: Convert to fraction form
    243,435,825.70/335,949,563.83 = 133,427,820.58/x
  3. Step 3: Cross multiply
    243,435,825.70x = 335,949,563.83 × 133,427,820.58
  4. Step 4: Simplify right side
    243,435,825.70x = 44,825,018,126,638,496
  5. Step 5: Solve for x
    x = 44,825,018,126,638,496/243,435,825.70
  6. Step 6: Final answer
    x = 184,134,845.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.