Home / 522,421,227.96-783,745,216.02-158,906,136.12

Finding the Fourth Proportional to 522,421,227.96, 783,745,216.02 and 158,906,136.12

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Solution

The fourth proportional to 522,421,227.96, 783,745,216.02 and 158,906,136.12 is: 238,393,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,421,227.96 : 783,745,216.02 = 158,906,136.12 : x
  2. Step 2: Convert to fraction form
    522,421,227.96/783,745,216.02 = 158,906,136.12/x
  3. Step 3: Cross multiply
    522,421,227.96x = 783,745,216.02 × 158,906,136.12
  4. Step 4: Simplify right side
    522,421,227.96x = 124,541,923,980,272,928
  5. Step 5: Solve for x
    x = 124,541,923,980,272,928/522,421,227.96
  6. Step 6: Final answer
    x = 238,393,689.45

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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.