Home / 159,909,997,134.74-239,864,981,136.48-70,372,990,505.16

Finding the Fourth Proportional to 159,909,997,134.74, 239,864,981,136.48 and 70,372,990,505.16

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Solution

The fourth proportional to 159,909,997,134.74, 239,864,981,136.48 and 70,372,990,505.16 is: 105,559,479,347.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,909,997,134.74 : 239,864,981,136.48 = 70,372,990,505.16 : x
  2. Step 2: Convert to fraction form
    159,909,997,134.74/239,864,981,136.48 = 70,372,990,505.16/x
  3. Step 3: Cross multiply
    159,909,997,134.74x = 239,864,981,136.48 × 70,372,990,505.16
  4. Step 4: Simplify right side
    159,909,997,134.74x = 16,880,016,040,037,892,227,072
  5. Step 5: Solve for x
    x = 16,880,016,040,037,892,227,072/159,909,997,134.74
  6. Step 6: Final answer
    x = 105,559,479,347.72

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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.