Home / 197,774,698.60-296,788,019.10-115,893,418.60

Finding the Fourth Proportional to 197,774,698.60, 296,788,019.10 and 115,893,418.60

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Solution

The fourth proportional to 197,774,698.60, 296,788,019.10 and 115,893,418.60 is: 173,913,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,774,698.60 : 296,788,019.10 = 115,893,418.60 : x
  2. Step 2: Convert to fraction form
    197,774,698.60/296,788,019.10 = 115,893,418.60/x
  3. Step 3: Cross multiply
    197,774,698.60x = 296,788,019.10 × 115,893,418.60
  4. Step 4: Simplify right side
    197,774,698.60x = 34,395,778,133,021,096
  5. Step 5: Solve for x
    x = 34,395,778,133,021,096/197,774,698.60
  6. Step 6: Final answer
    x = 173,913,945.40

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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.