Home / 201,852,490.63-278,556,549.20-109,032,999.25

Finding the Fourth Proportional to 201,852,490.63, 278,556,549.20 and 109,032,999.25

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Solution

The fourth proportional to 201,852,490.63, 278,556,549.20 and 109,032,999.25 is: 150,465,599.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,490.63 : 278,556,549.20 = 109,032,999.25 : x
  2. Step 2: Convert to fraction form
    201,852,490.63/278,556,549.20 = 109,032,999.25/x
  3. Step 3: Cross multiply
    201,852,490.63x = 278,556,549.20 × 109,032,999.25
  4. Step 4: Simplify right side
    201,852,490.63x = 30,371,856,020,006,188
  5. Step 5: Solve for x
    x = 30,371,856,020,006,188/201,852,490.63
  6. Step 6: Final answer
    x = 150,465,599.53

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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.