Home / 43,471,975.60-65,207,963.40-28,166,474.80

Finding the Fourth Proportional to 43,471,975.60, 65,207,963.40 and 28,166,474.80

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Solution

The fourth proportional to 43,471,975.60, 65,207,963.40 and 28,166,474.80 is: 42,249,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,471,975.60 : 65,207,963.40 = 28,166,474.80 : x
  2. Step 2: Convert to fraction form
    43,471,975.60/65,207,963.40 = 28,166,474.80/x
  3. Step 3: Cross multiply
    43,471,975.60x = 65,207,963.40 × 28,166,474.80
  4. Step 4: Simplify right side
    43,471,975.60x = 1,836,678,457,865,422.25
  5. Step 5: Solve for x
    x = 1,836,678,457,865,422.25/43,471,975.60
  6. Step 6: Final answer
    x = 42,249,712.20

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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.