Home / 289,935,839.79-400,111,518.11-159,555,647.79

Finding the Fourth Proportional to 289,935,839.79, 400,111,518.11 and 159,555,647.79

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Solution

The fourth proportional to 289,935,839.79, 400,111,518.11 and 159,555,647.79 is: 220,186,826.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,935,839.79 : 400,111,518.11 = 159,555,647.79 : x
  2. Step 2: Convert to fraction form
    289,935,839.79/400,111,518.11 = 159,555,647.79/x
  3. Step 3: Cross multiply
    289,935,839.79x = 400,111,518.11 × 159,555,647.79
  4. Step 4: Simplify right side
    289,935,839.79x = 63,840,052,459,483,584
  5. Step 5: Solve for x
    x = 63,840,052,459,483,584/289,935,839.79
  6. Step 6: Final answer
    x = 220,186,826.53

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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.