Home / 197,501,967-272,555,528.22-113,868,443.16

Finding the Fourth Proportional to 197,501,967, 272,555,528.22 and 113,868,443.16

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Solution

The fourth proportional to 197,501,967, 272,555,528.22 and 113,868,443.16 is: 157,140,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,501,967 : 272,555,528.22 = 113,868,443.16 : x
  2. Step 2: Convert to fraction form
    197,501,967/272,555,528.22 = 113,868,443.16/x
  3. Step 3: Cross multiply
    197,501,967x = 272,555,528.22 × 113,868,443.16
  4. Step 4: Simplify right side
    197,501,967x = 31,035,473,673,062,848
  5. Step 5: Solve for x
    x = 31,035,473,673,062,848/197,501,967
  6. Step 6: Final answer
    x = 157,140,073.82

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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.