Home / 311,000,704.24-429,178,420.78-169,872,014.58

Finding the Fourth Proportional to 311,000,704.24, 429,178,420.78 and 169,872,014.58

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Solution

The fourth proportional to 311,000,704.24, 429,178,420.78 and 169,872,014.58 is: 234,421,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,000,704.24 : 429,178,420.78 = 169,872,014.58 : x
  2. Step 2: Convert to fraction form
    311,000,704.24/429,178,420.78 = 169,872,014.58/x
  3. Step 3: Cross multiply
    311,000,704.24x = 429,178,420.78 × 169,872,014.58
  4. Step 4: Simplify right side
    311,000,704.24x = 72,905,402,952,161,536
  5. Step 5: Solve for x
    x = 72,905,402,952,161,536/311,000,704.24
  6. Step 6: Final answer
    x = 234,421,986.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.