Home / 142,914,020.94-214,372,348.47-40,678,030.62

Finding the Fourth Proportional to 142,914,020.94, 214,372,348.47 and 40,678,030.62

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Solution

The fourth proportional to 142,914,020.94, 214,372,348.47 and 40,678,030.62 is: 61,017,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,914,020.94 : 214,372,348.47 = 40,678,030.62 : x
  2. Step 2: Convert to fraction form
    142,914,020.94/214,372,348.47 = 40,678,030.62/x
  3. Step 3: Cross multiply
    142,914,020.94x = 214,372,348.47 × 40,678,030.62
  4. Step 4: Simplify right side
    142,914,020.94x = 8,720,244,955,143,970
  5. Step 5: Solve for x
    x = 8,720,244,955,143,970/142,914,020.94
  6. Step 6: Final answer
    x = 61,017,420.81

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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.