Home / 137,567,126.07-189,844,140.78-74,843,580.60

Finding the Fourth Proportional to 137,567,126.07, 189,844,140.78 and 74,843,580.60

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Solution

The fourth proportional to 137,567,126.07, 189,844,140.78 and 74,843,580.60 is: 103,284,961.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,567,126.07 : 189,844,140.78 = 74,843,580.60 : x
  2. Step 2: Convert to fraction form
    137,567,126.07/189,844,140.78 = 74,843,580.60/x
  3. Step 3: Cross multiply
    137,567,126.07x = 189,844,140.78 × 74,843,580.60
  4. Step 4: Simplify right side
    137,567,126.07x = 14,208,615,251,905,676
  5. Step 5: Solve for x
    x = 14,208,615,251,905,676/137,567,126.07
  6. Step 6: Final answer
    x = 103,284,961.01

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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.