Home / 137,652,042.50-189,963,734.51-74,932,185.32

Finding the Fourth Proportional to 137,652,042.50, 189,963,734.51 and 74,932,185.32

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Solution

The fourth proportional to 137,652,042.50, 189,963,734.51 and 74,932,185.32 is: 103,408,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,652,042.50 : 189,963,734.51 = 74,932,185.32 : x
  2. Step 2: Convert to fraction form
    137,652,042.50/189,963,734.51 = 74,932,185.32/x
  3. Step 3: Cross multiply
    137,652,042.50x = 189,963,734.51 × 74,932,185.32
  4. Step 4: Simplify right side
    137,652,042.50x = 14,234,397,757,620,110
  5. Step 5: Solve for x
    x = 14,234,397,757,620,110/137,652,042.50
  6. Step 6: Final answer
    x = 103,408,547.38

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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.