Home / 311,000,701.98-429,178,417.68-169,872,012.33

Finding the Fourth Proportional to 311,000,701.98, 429,178,417.68 and 169,872,012.33

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Solution

The fourth proportional to 311,000,701.98, 429,178,417.68 and 169,872,012.33 is: 234,421,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,000,701.98 : 429,178,417.68 = 169,872,012.33 : x
  2. Step 2: Convert to fraction form
    311,000,701.98/429,178,417.68 = 169,872,012.33/x
  3. Step 3: Cross multiply
    311,000,701.98x = 429,178,417.68 × 169,872,012.33
  4. Step 4: Simplify right side
    311,000,701.98x = 72,905,401,459,906,864
  5. Step 5: Solve for x
    x = 72,905,401,459,906,864/311,000,701.98
  6. Step 6: Final answer
    x = 234,421,983.60

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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.