Home / 201,852,371.86-278,556,385.14-109,032,880.22

Finding the Fourth Proportional to 201,852,371.86, 278,556,385.14 and 109,032,880.22

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Solution

The fourth proportional to 201,852,371.86, 278,556,385.14 and 109,032,880.22 is: 150,465,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,371.86 : 278,556,385.14 = 109,032,880.22 : x
  2. Step 2: Convert to fraction form
    201,852,371.86/278,556,385.14 = 109,032,880.22/x
  3. Step 3: Cross multiply
    201,852,371.86x = 278,556,385.14 × 109,032,880.22
  4. Step 4: Simplify right side
    201,852,371.86x = 30,371,804,975,485,808
  5. Step 5: Solve for x
    x = 30,371,804,975,485,808/201,852,371.86
  6. Step 6: Final answer
    x = 150,465,435.19

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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.