Home / 67,194,679,269.84-100,721,613,819.76-31,309,851,161.80

Finding the Fourth Proportional to 67,194,679,269.84, 100,721,613,819.76 and 31,309,851,161.80

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Solution

The fourth proportional to 67,194,679,269.84, 100,721,613,819.76 and 31,309,851,161.80 is: 46,931,970,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,194,679,269.84 : 100,721,613,819.76 = 31,309,851,161.80 : x
  2. Step 2: Convert to fraction form
    67,194,679,269.84/100,721,613,819.76 = 31,309,851,161.80/x
  3. Step 3: Cross multiply
    67,194,679,269.84x = 100,721,613,819.76 × 31,309,851,161.80
  4. Step 4: Simplify right side
    67,194,679,269.84x = 3,153,578,737,472,983,531,520
  5. Step 5: Solve for x
    x = 3,153,578,737,472,983,531,520/67,194,679,269.84
  6. Step 6: Final answer
    x = 46,931,970,979.56

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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.