Home / 201,852,359.11-278,556,367.53-109,032,867.46

Finding the Fourth Proportional to 201,852,359.11, 278,556,367.53 and 109,032,867.46

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Solution

The fourth proportional to 201,852,359.11, 278,556,367.53 and 109,032,867.46 is: 150,465,417.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,359.11 : 278,556,367.53 = 109,032,867.46 : x
  2. Step 2: Convert to fraction form
    201,852,359.11/278,556,367.53 = 109,032,867.46/x
  3. Step 3: Cross multiply
    201,852,359.11x = 278,556,367.53 × 109,032,867.46
  4. Step 4: Simplify right side
    201,852,359.11x = 30,371,799,501,037,532
  5. Step 5: Solve for x
    x = 30,371,799,501,037,532/201,852,359.11
  6. Step 6: Final answer
    x = 150,465,417.57

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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.