Home / 311,000,702.23-429,178,418.02-169,872,012.58

Finding the Fourth Proportional to 311,000,702.23, 429,178,418.02 and 169,872,012.58

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Solution

The fourth proportional to 311,000,702.23, 429,178,418.02 and 169,872,012.58 is: 234,421,983.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,000,702.23 : 429,178,418.02 = 169,872,012.58 : x
  2. Step 2: Convert to fraction form
    311,000,702.23/429,178,418.02 = 169,872,012.58/x
  3. Step 3: Cross multiply
    311,000,702.23x = 429,178,418.02 × 169,872,012.58
  4. Step 4: Simplify right side
    311,000,702.23x = 72,905,401,624,957,936
  5. Step 5: Solve for x
    x = 72,905,401,624,957,936/311,000,702.23
  6. Step 6: Final answer
    x = 234,421,983.94

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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.