Home / 208,193,068.60-311,911,689.30-169,645,881.40

Finding the Fourth Proportional to 208,193,068.60, 311,911,689.30 and 169,645,881.40

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Solution

The fourth proportional to 208,193,068.60, 311,911,689.30 and 169,645,881.40 is: 254,160,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,193,068.60 : 311,911,689.30 = 169,645,881.40 : x
  2. Step 2: Convert to fraction form
    208,193,068.60/311,911,689.30 = 169,645,881.40/x
  3. Step 3: Cross multiply
    208,193,068.60x = 311,911,689.30 × 169,645,881.40
  4. Step 4: Simplify right side
    208,193,068.60x = 52,914,533,450,261,456
  5. Step 5: Solve for x
    x = 52,914,533,450,261,456/208,193,068.60
  6. Step 6: Final answer
    x = 254,160,879.64

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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.