Home / 140,703,879.63-194,171,372.29-77,984,026.89

Finding the Fourth Proportional to 140,703,879.63, 194,171,372.29 and 77,984,026.89

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Solution

The fourth proportional to 140,703,879.63, 194,171,372.29 and 77,984,026.89 is: 107,617,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,703,879.63 : 194,171,372.29 = 77,984,026.89 : x
  2. Step 2: Convert to fraction form
    140,703,879.63/194,171,372.29 = 77,984,026.89/x
  3. Step 3: Cross multiply
    140,703,879.63x = 194,171,372.29 × 77,984,026.89
  4. Step 4: Simplify right side
    140,703,879.63x = 15,142,265,517,931,560
  5. Step 5: Solve for x
    x = 15,142,265,517,931,560/140,703,879.63
  6. Step 6: Final answer
    x = 107,617,967.31

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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.