Home / 293,849,201.76-405,499,740.54-159,887,669.38

Finding the Fourth Proportional to 293,849,201.76, 405,499,740.54 and 159,887,669.38

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Solution

The fourth proportional to 293,849,201.76, 405,499,740.54 and 159,887,669.38 is: 220,638,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,849,201.76 : 405,499,740.54 = 159,887,669.38 : x
  2. Step 2: Convert to fraction form
    293,849,201.76/405,499,740.54 = 159,887,669.38/x
  3. Step 3: Cross multiply
    293,849,201.76x = 405,499,740.54 × 159,887,669.38
  4. Step 4: Simplify right side
    293,849,201.76x = 64,834,408,447,520,368
  5. Step 5: Solve for x
    x = 64,834,408,447,520,368/293,849,201.76
  6. Step 6: Final answer
    x = 220,638,368.46

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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.