Home / 197,501,969-272,555,530.98-113,868,445.16

Finding the Fourth Proportional to 197,501,969, 272,555,530.98 and 113,868,445.16

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Solution

The fourth proportional to 197,501,969, 272,555,530.98 and 113,868,445.16 is: 157,140,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,501,969 : 272,555,530.98 = 113,868,445.16 : x
  2. Step 2: Convert to fraction form
    197,501,969/272,555,530.98 = 113,868,445.16/x
  3. Step 3: Cross multiply
    197,501,969x = 272,555,530.98 × 113,868,445.16
  4. Step 4: Simplify right side
    197,501,969x = 31,035,474,532,450,812
  5. Step 5: Solve for x
    x = 31,035,474,532,450,812/197,501,969
  6. Step 6: Final answer
    x = 157,140,076.58

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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.