Home / 142,083,065.52-196,074,628.56-76,892,969.52

Finding the Fourth Proportional to 142,083,065.52, 196,074,628.56 and 76,892,969.52

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Solution

The fourth proportional to 142,083,065.52, 196,074,628.56 and 76,892,969.52 is: 106,112,296.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,083,065.52 : 196,074,628.56 = 76,892,969.52 : x
  2. Step 2: Convert to fraction form
    142,083,065.52/196,074,628.56 = 76,892,969.52/x
  3. Step 3: Cross multiply
    142,083,065.52x = 196,074,628.56 × 76,892,969.52
  4. Step 4: Simplify right side
    142,083,065.52x = 15,076,760,437,509,400
  5. Step 5: Solve for x
    x = 15,076,760,437,509,400/142,083,065.52
  6. Step 6: Final answer
    x = 106,112,296.93

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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.