Home / 159,909,997,132.86-239,864,981,133.68-70,372,990,503.29

Finding the Fourth Proportional to 159,909,997,132.86, 239,864,981,133.68 and 70,372,990,503.29

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Solution

The fourth proportional to 159,909,997,132.86, 239,864,981,133.68 and 70,372,990,503.29 is: 105,559,479,344.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,909,997,132.86 : 239,864,981,133.68 = 70,372,990,503.29 : x
  2. Step 2: Convert to fraction form
    159,909,997,132.86/239,864,981,133.68 = 70,372,990,503.29/x
  3. Step 3: Cross multiply
    159,909,997,132.86x = 239,864,981,133.68 × 70,372,990,503.29
  4. Step 4: Simplify right side
    159,909,997,132.86x = 16,880,016,039,391,099,092,992
  5. Step 5: Solve for x
    x = 16,880,016,039,391,099,092,992/159,909,997,132.86
  6. Step 6: Final answer
    x = 105,559,479,344.91

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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.