Home / 293,849,193.31-405,499,728.91-159,887,660.93

Finding the Fourth Proportional to 293,849,193.31, 405,499,728.91 and 159,887,660.93

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Solution

The fourth proportional to 293,849,193.31, 405,499,728.91 and 159,887,660.93 is: 220,638,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,849,193.31 : 405,499,728.91 = 159,887,660.93 : x
  2. Step 2: Convert to fraction form
    293,849,193.31/405,499,728.91 = 159,887,660.93/x
  3. Step 3: Cross multiply
    293,849,193.31x = 405,499,728.91 × 159,887,660.93
  4. Step 4: Simplify right side
    293,849,193.31x = 64,834,403,161,313,312
  5. Step 5: Solve for x
    x = 64,834,403,161,313,312/293,849,193.31
  6. Step 6: Final answer
    x = 220,638,356.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.