Home / 268,860,808.20-402,283,442.70-178,161,544.20

Finding the Fourth Proportional to 268,860,808.20, 402,283,442.70 and 178,161,544.20

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Solution

The fourth proportional to 268,860,808.20, 402,283,442.70 and 178,161,544.20 is: 266,574,514.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,860,808.20 : 402,283,442.70 = 178,161,544.20 : x
  2. Step 2: Convert to fraction form
    268,860,808.20/402,283,442.70 = 178,161,544.20/x
  3. Step 3: Cross multiply
    268,860,808.20x = 402,283,442.70 × 178,161,544.20
  4. Step 4: Simplify right side
    268,860,808.20x = 71,671,439,357,524,208
  5. Step 5: Solve for x
    x = 71,671,439,357,524,208/268,860,808.20
  6. Step 6: Final answer
    x = 266,574,514.29

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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.