Home / 51,836,076.16-77,765,711.88-19,488,259.01

Finding the Fourth Proportional to 51,836,076.16, 77,765,711.88 and 19,488,259.01

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Solution

The fourth proportional to 51,836,076.16, 77,765,711.88 and 19,488,259.01 is: 29,236,748.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,836,076.16 : 77,765,711.88 = 19,488,259.01 : x
  2. Step 2: Convert to fraction form
    51,836,076.16/77,765,711.88 = 19,488,259.01/x
  3. Step 3: Cross multiply
    51,836,076.16x = 77,765,711.88 × 19,488,259.01
  4. Step 4: Simplify right side
    51,836,076.16x = 1,515,518,335,214,474
  5. Step 5: Solve for x
    x = 1,515,518,335,214,474/51,836,076.16
  6. Step 6: Final answer
    x = 29,236,748.76

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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.