Home / 243,151,308.63-335,551,512.87-131,644,579.41

Finding the Fourth Proportional to 243,151,308.63, 335,551,512.87 and 131,644,579.41

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Solution

The fourth proportional to 243,151,308.63, 335,551,512.87 and 131,644,579.41 is: 181,670,985.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,151,308.63 : 335,551,512.87 = 131,644,579.41 : x
  2. Step 2: Convert to fraction form
    243,151,308.63/335,551,512.87 = 131,644,579.41/x
  3. Step 3: Cross multiply
    243,151,308.63x = 335,551,512.87 × 131,644,579.41
  4. Step 4: Simplify right side
    243,151,308.63x = 44,173,537,782,160,352
  5. Step 5: Solve for x
    x = 44,173,537,782,160,352/243,151,308.63
  6. Step 6: Final answer
    x = 181,670,985.16

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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.