Home / 201,852,358.11-278,556,366.15-109,032,866.46

Finding the Fourth Proportional to 201,852,358.11, 278,556,366.15 and 109,032,866.46

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Solution

The fourth proportional to 201,852,358.11, 278,556,366.15 and 109,032,866.46 is: 150,465,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,358.11 : 278,556,366.15 = 109,032,866.46 : x
  2. Step 2: Convert to fraction form
    201,852,358.11/278,556,366.15 = 109,032,866.46/x
  3. Step 3: Cross multiply
    201,852,358.11x = 278,556,366.15 × 109,032,866.46
  4. Step 4: Simplify right side
    201,852,358.11x = 30,371,799,072,015,808
  5. Step 5: Solve for x
    x = 30,371,799,072,015,808/201,852,358.11
  6. Step 6: Final answer
    x = 150,465,416.19

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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.