Home / 292,527,009.75-438,784,367.06-71,199,584.43

Finding the Fourth Proportional to 292,527,009.75, 438,784,367.06 and 71,199,584.43

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Solution

The fourth proportional to 292,527,009.75, 438,784,367.06 and 71,199,584.43 is: 106,797,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,527,009.75 : 438,784,367.06 = 71,199,584.43 : x
  2. Step 2: Convert to fraction form
    292,527,009.75/438,784,367.06 = 71,199,584.43/x
  3. Step 3: Cross multiply
    292,527,009.75x = 438,784,367.06 × 71,199,584.43
  4. Step 4: Simplify right side
    292,527,009.75x = 31,241,264,588,025,160
  5. Step 5: Solve for x
    x = 31,241,264,588,025,160/292,527,009.75
  6. Step 6: Final answer
    x = 106,797,880.35

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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.