Home / 140,592,569.37-210,902,714.49-48,464,178.78

Finding the Fourth Proportional to 140,592,569.37, 210,902,714.49 and 48,464,178.78

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Solution

The fourth proportional to 140,592,569.37, 210,902,714.49 and 48,464,178.78 is: 72,701,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,592,569.37 : 210,902,714.49 = 48,464,178.78 : x
  2. Step 2: Convert to fraction form
    140,592,569.37/210,902,714.49 = 48,464,178.78/x
  3. Step 3: Cross multiply
    140,592,569.37x = 210,902,714.49 × 48,464,178.78
  4. Step 4: Simplify right side
    140,592,569.37x = 10,221,226,860,230,658
  5. Step 5: Solve for x
    x = 10,221,226,860,230,658/140,592,569.37
  6. Step 6: Final answer
    x = 72,701,046.05

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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.