Home / 208,192,990.60-311,911,572.30-169,645,803.40

Finding the Fourth Proportional to 208,192,990.60, 311,911,572.30 and 169,645,803.40

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Solution

The fourth proportional to 208,192,990.60, 311,911,572.30 and 169,645,803.40 is: 254,160,762.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,192,990.60 : 311,911,572.30 = 169,645,803.40 : x
  2. Step 2: Convert to fraction form
    208,192,990.60/311,911,572.30 = 169,645,803.40/x
  3. Step 3: Cross multiply
    208,192,990.60x = 311,911,572.30 × 169,645,803.40
  4. Step 4: Simplify right side
    208,192,990.60x = 52,914,489,272,590,688
  5. Step 5: Solve for x
    x = 52,914,489,272,590,688/208,192,990.60
  6. Step 6: Final answer
    x = 254,160,762.67

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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.