Home / 298,571,947.20-412,031,199.78-166,421,323.17

Finding the Fourth Proportional to 298,571,947.20, 412,031,199.78 and 166,421,323.17

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Solution

The fourth proportional to 298,571,947.20, 412,031,199.78 and 166,421,323.17 is: 229,662,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,571,947.20 : 412,031,199.78 = 166,421,323.17 : x
  2. Step 2: Convert to fraction form
    298,571,947.20/412,031,199.78 = 166,421,323.17/x
  3. Step 3: Cross multiply
    298,571,947.20x = 412,031,199.78 × 166,421,323.17
  4. Step 4: Simplify right side
    298,571,947.20x = 68,570,777,454,710,200
  5. Step 5: Solve for x
    x = 68,570,777,454,710,200/298,571,947.20
  6. Step 6: Final answer
    x = 229,662,492.07

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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.