Home / 264,697,688.76-397,032,164.51-80,450,799.78

Finding the Fourth Proportional to 264,697,688.76, 397,032,164.51 and 80,450,799.78

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Solution

The fourth proportional to 264,697,688.76, 397,032,164.51 and 80,450,799.78 is: 120,671,832.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,697,688.76 : 397,032,164.51 = 80,450,799.78 : x
  2. Step 2: Convert to fraction form
    264,697,688.76/397,032,164.51 = 80,450,799.78/x
  3. Step 3: Cross multiply
    264,697,688.76x = 397,032,164.51 × 80,450,799.78
  4. Step 4: Simplify right side
    264,697,688.76x = 31,941,555,172,811,776
  5. Step 5: Solve for x
    x = 31,941,555,172,811,776/264,697,688.76
  6. Step 6: Final answer
    x = 120,671,832.54

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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.