Home / 137,480,922.08-189,724,659.43-74,756,570.57

Finding the Fourth Proportional to 137,480,922.08, 189,724,659.43 and 74,756,570.57

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Solution

The fourth proportional to 137,480,922.08, 189,724,659.43 and 74,756,570.57 is: 103,164,604.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,480,922.08 : 189,724,659.43 = 74,756,570.57 : x
  2. Step 2: Convert to fraction form
    137,480,922.08/189,724,659.43 = 74,756,570.57/x
  3. Step 3: Cross multiply
    137,480,922.08x = 189,724,659.43 × 74,756,570.57
  4. Step 4: Simplify right side
    137,480,922.08x = 14,183,164,890,599,388
  5. Step 5: Solve for x
    x = 14,183,164,890,599,388/137,480,922.08
  6. Step 6: Final answer
    x = 103,164,604.05

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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.