Home / 294,857,963.40-442,286,945.10-100,740,280.80

Finding the Fourth Proportional to 294,857,963.40, 442,286,945.10 and 100,740,280.80

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Solution

The fourth proportional to 294,857,963.40, 442,286,945.10 and 100,740,280.80 is: 151,110,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,857,963.40 : 442,286,945.10 = 100,740,280.80 : x
  2. Step 2: Convert to fraction form
    294,857,963.40/442,286,945.10 = 100,740,280.80/x
  3. Step 3: Cross multiply
    294,857,963.40x = 442,286,945.10 × 100,740,280.80
  4. Step 4: Simplify right side
    294,857,963.40x = 44,556,111,043,548,184
  5. Step 5: Solve for x
    x = 44,556,111,043,548,184/294,857,963.40
  6. Step 6: Final answer
    x = 151,110,421.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.