Home / 346,478,694.52-519,783,589.02-139,233,238.12

Finding the Fourth Proportional to 346,478,694.52, 519,783,589.02 and 139,233,238.12

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Solution

The fourth proportional to 346,478,694.52, 519,783,589.02 and 139,233,238.12 is: 208,876,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,478,694.52 : 519,783,589.02 = 139,233,238.12 : x
  2. Step 2: Convert to fraction form
    346,478,694.52/519,783,589.02 = 139,233,238.12/x
  3. Step 3: Cross multiply
    346,478,694.52x = 519,783,589.02 × 139,233,238.12
  4. Step 4: Simplify right side
    346,478,694.52x = 72,371,152,220,889,872
  5. Step 5: Solve for x
    x = 72,371,152,220,889,872/346,478,694.52
  6. Step 6: Final answer
    x = 208,876,197.48

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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.