Home / 68,072,648.94-101,897,612.01-36,870,813.68

Finding the Fourth Proportional to 68,072,648.94, 101,897,612.01 and 36,870,813.68

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Solution

The fourth proportional to 68,072,648.94, 101,897,612.01 and 36,870,813.68 is: 55,191,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,072,648.94 : 101,897,612.01 = 36,870,813.68 : x
  2. Step 2: Convert to fraction form
    68,072,648.94/101,897,612.01 = 36,870,813.68/x
  3. Step 3: Cross multiply
    68,072,648.94x = 101,897,612.01 × 36,870,813.68
  4. Step 4: Simplify right side
    68,072,648.94x = 3,757,047,866,348,152
  5. Step 5: Solve for x
    x = 3,757,047,866,348,152/68,072,648.94
  6. Step 6: Final answer
    x = 55,191,738.90

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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.