Home / 248,254,505.37-342,578,555.82-136,742,945.58

Finding the Fourth Proportional to 248,254,505.37, 342,578,555.82 and 136,742,945.58

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Solution

The fourth proportional to 248,254,505.37, 342,578,555.82 and 136,742,945.58 is: 188,698,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,254,505.37 : 342,578,555.82 = 136,742,945.58 : x
  2. Step 2: Convert to fraction form
    248,254,505.37/342,578,555.82 = 136,742,945.58/x
  3. Step 3: Cross multiply
    248,254,505.37x = 342,578,555.82 × 136,742,945.58
  4. Step 4: Simplify right side
    248,254,505.37x = 46,845,200,815,369,256
  5. Step 5: Solve for x
    x = 46,845,200,815,369,256/248,254,505.37
  6. Step 6: Final answer
    x = 188,698,290.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.