Home / 137,155,608.92-189,275,235.84-74,431,693.25

Finding the Fourth Proportional to 137,155,608.92, 189,275,235.84 and 74,431,693.25

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Solution

The fourth proportional to 137,155,608.92, 189,275,235.84 and 74,431,693.25 is: 102,716,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,155,608.92 : 189,275,235.84 = 74,431,693.25 : x
  2. Step 2: Convert to fraction form
    137,155,608.92/189,275,235.84 = 74,431,693.25/x
  3. Step 3: Cross multiply
    137,155,608.92x = 189,275,235.84 × 74,431,693.25
  4. Step 4: Simplify right side
    137,155,608.92x = 14,088,076,294,337,474
  5. Step 5: Solve for x
    x = 14,088,076,294,337,474/137,155,608.92
  6. Step 6: Final answer
    x = 102,716,005.60

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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.