Home / 218,196,578.34-301,117,661.86-119,083,682.74

Finding the Fourth Proportional to 218,196,578.34, 301,117,661.86 and 119,083,682.74

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Solution

The fourth proportional to 218,196,578.34, 301,117,661.86 and 119,083,682.74 is: 164,338,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,196,578.34 : 301,117,661.86 = 119,083,682.74 : x
  2. Step 2: Convert to fraction form
    218,196,578.34/301,117,661.86 = 119,083,682.74/x
  3. Step 3: Cross multiply
    218,196,578.34x = 301,117,661.86 × 119,083,682.74
  4. Step 4: Simplify right side
    218,196,578.34x = 35,858,200,112,346,840
  5. Step 5: Solve for x
    x = 35,858,200,112,346,840/218,196,578.34
  6. Step 6: Final answer
    x = 164,338,966.20

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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.