Home / 51,287,079.60-76,930,619.40-15,385,287.60

Finding the Fourth Proportional to 51,287,079.60, 76,930,619.40 and 15,385,287.60

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Solution

The fourth proportional to 51,287,079.60, 76,930,619.40 and 15,385,287.60 is: 23,077,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,287,079.60 : 76,930,619.40 = 15,385,287.60 : x
  2. Step 2: Convert to fraction form
    51,287,079.60/76,930,619.40 = 15,385,287.60/x
  3. Step 3: Cross multiply
    51,287,079.60x = 76,930,619.40 × 15,385,287.60
  4. Step 4: Simplify right side
    51,287,079.60x = 1,183,599,704,715,139.50
  5. Step 5: Solve for x
    x = 1,183,599,704,715,139.50/51,287,079.60
  6. Step 6: Final answer
    x = 23,077,931.40

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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.