Home / 208,602,740.40-312,904,110.60-151,979,636.40

Finding the Fourth Proportional to 208,602,740.40, 312,904,110.60 and 151,979,636.40

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Solution

The fourth proportional to 208,602,740.40, 312,904,110.60 and 151,979,636.40 is: 227,969,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,602,740.40 : 312,904,110.60 = 151,979,636.40 : x
  2. Step 2: Convert to fraction form
    208,602,740.40/312,904,110.60 = 151,979,636.40/x
  3. Step 3: Cross multiply
    208,602,740.40x = 312,904,110.60 × 151,979,636.40
  4. Step 4: Simplify right side
    208,602,740.40x = 47,555,052,957,053,392
  5. Step 5: Solve for x
    x = 47,555,052,957,053,392/208,602,740.40
  6. Step 6: Final answer
    x = 227,969,454.60

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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.