Home / 131,538,743.10-197,308,114.65-40,662,186.30

Finding the Fourth Proportional to 131,538,743.10, 197,308,114.65 and 40,662,186.30

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Solution

The fourth proportional to 131,538,743.10, 197,308,114.65 and 40,662,186.30 is: 60,993,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,538,743.10 : 197,308,114.65 = 40,662,186.30 : x
  2. Step 2: Convert to fraction form
    131,538,743.10/197,308,114.65 = 40,662,186.30/x
  3. Step 3: Cross multiply
    131,538,743.10x = 197,308,114.65 × 40,662,186.30
  4. Step 4: Simplify right side
    131,538,743.10x = 8,022,979,316,400,059
  5. Step 5: Solve for x
    x = 8,022,979,316,400,059/131,538,743.10
  6. Step 6: Final answer
    x = 60,993,279.45

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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.