Home / 545,644,690.48-818,455,218.42-152,161,017.89

Finding the Fourth Proportional to 545,644,690.48, 818,455,218.42 and 152,161,017.89

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Solution

The fourth proportional to 545,644,690.48, 818,455,218.42 and 152,161,017.89 is: 228,238,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,644,690.48 : 818,455,218.42 = 152,161,017.89 : x
  2. Step 2: Convert to fraction form
    545,644,690.48/818,455,218.42 = 152,161,017.89/x
  3. Step 3: Cross multiply
    545,644,690.48x = 818,455,218.42 × 152,161,017.89
  4. Step 4: Simplify right side
    545,644,690.48x = 124,536,979,132,169,456
  5. Step 5: Solve for x
    x = 124,536,979,132,169,456/545,644,690.48
  6. Step 6: Final answer
    x = 228,238,231.41

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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.