Home / 51,106,615.60-76,680,918.60-18,774,007.60

Finding the Fourth Proportional to 51,106,615.60, 76,680,918.60 and 18,774,007.60

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Solution

The fourth proportional to 51,106,615.60, 76,680,918.60 and 18,774,007.60 is: 28,168,723.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,106,615.60 : 76,680,918.60 = 18,774,007.60 : x
  2. Step 2: Convert to fraction form
    51,106,615.60/76,680,918.60 = 18,774,007.60/x
  3. Step 3: Cross multiply
    51,106,615.60x = 76,680,918.60 × 18,774,007.60
  4. Step 4: Simplify right side
    51,106,615.60x = 1,439,608,148,571,381.25
  5. Step 5: Solve for x
    x = 1,439,608,148,571,381.25/51,106,615.60
  6. Step 6: Final answer
    x = 28,168,723.98

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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.