Home / 137,137,486.15-205,705,664.34-49,678,523.71

Finding the Fourth Proportional to 137,137,486.15, 205,705,664.34 and 49,678,523.71

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Solution

The fourth proportional to 137,137,486.15, 205,705,664.34 and 49,678,523.71 is: 74,517,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,137,486.15 : 205,705,664.34 = 49,678,523.71 : x
  2. Step 2: Convert to fraction form
    137,137,486.15/205,705,664.34 = 49,678,523.71/x
  3. Step 3: Cross multiply
    137,137,486.15x = 205,705,664.34 × 49,678,523.71
  4. Step 4: Simplify right side
    137,137,486.15x = 10,219,153,722,495,434
  5. Step 5: Solve for x
    x = 10,219,153,722,495,434/137,137,486.15
  6. Step 6: Final answer
    x = 74,517,580.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.