Home / 197,540,319.30-272,622,381.02-109,461,945.17

Finding the Fourth Proportional to 197,540,319.30, 272,622,381.02 and 109,461,945.17

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Solution

The fourth proportional to 197,540,319.30, 272,622,381.02 and 109,461,945.17 is: 151,066,760.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,540,319.30 : 272,622,381.02 = 109,461,945.17 : x
  2. Step 2: Convert to fraction form
    197,540,319.30/272,622,381.02 = 109,461,945.17/x
  3. Step 3: Cross multiply
    197,540,319.30x = 272,622,381.02 × 109,461,945.17
  4. Step 4: Simplify right side
    197,540,319.30x = 29,841,776,121,415,668
  5. Step 5: Solve for x
    x = 29,841,776,121,415,668/197,540,319.30
  6. Step 6: Final answer
    x = 151,066,760.58

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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.