Home / 118,133,449.20-177,147,029.70-45,326,032.20

Finding the Fourth Proportional to 118,133,449.20, 177,147,029.70 and 45,326,032.20

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Solution

The fourth proportional to 118,133,449.20, 177,147,029.70 and 45,326,032.20 is: 67,968,657.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,133,449.20 : 177,147,029.70 = 45,326,032.20 : x
  2. Step 2: Convert to fraction form
    118,133,449.20/177,147,029.70 = 45,326,032.20/x
  3. Step 3: Cross multiply
    118,133,449.20x = 177,147,029.70 × 45,326,032.20
  4. Step 4: Simplify right side
    118,133,449.20x = 8,029,371,972,316,556
  5. Step 5: Solve for x
    x = 8,029,371,972,316,556/118,133,449.20
  6. Step 6: Final answer
    x = 67,968,657.71

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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.