Home / 209,953,923.36-289,736,594.64-117,134,445.48

Finding the Fourth Proportional to 209,953,923.36, 289,736,594.64 and 117,134,445.48

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Solution

The fourth proportional to 209,953,923.36, 289,736,594.64 and 117,134,445.48 is: 161,645,635.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,923.36 : 289,736,594.64 = 117,134,445.48 : x
  2. Step 2: Convert to fraction form
    209,953,923.36/289,736,594.64 = 117,134,445.48/x
  3. Step 3: Cross multiply
    209,953,923.36x = 289,736,594.64 × 117,134,445.48
  4. Step 4: Simplify right side
    209,953,923.36x = 33,938,135,348,419,940
  5. Step 5: Solve for x
    x = 33,938,135,348,419,940/209,953,923.36
  6. Step 6: Final answer
    x = 161,645,635.41

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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.