Home / 140,675,557.20-210,950,350.20-54,385,285.20

Finding the Fourth Proportional to 140,675,557.20, 210,950,350.20 and 54,385,285.20

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Solution

The fourth proportional to 140,675,557.20, 210,950,350.20 and 54,385,285.20 is: 81,553,577.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,675,557.20 : 210,950,350.20 = 54,385,285.20 : x
  2. Step 2: Convert to fraction form
    140,675,557.20/210,950,350.20 = 54,385,285.20/x
  3. Step 3: Cross multiply
    140,675,557.20x = 210,950,350.20 × 54,385,285.20
  4. Step 4: Simplify right side
    140,675,557.20x = 11,472,594,958,666,878
  5. Step 5: Solve for x
    x = 11,472,594,958,666,878/140,675,557.20
  6. Step 6: Final answer
    x = 81,553,577.52

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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.