Home / 51,109,862.70-76,664,794.05-31,977,986.70

Finding the Fourth Proportional to 51,109,862.70, 76,664,794.05 and 31,977,986.70

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Solution

The fourth proportional to 51,109,862.70, 76,664,794.05 and 31,977,986.70 is: 47,966,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,109,862.70 : 76,664,794.05 = 31,977,986.70 : x
  2. Step 2: Convert to fraction form
    51,109,862.70/76,664,794.05 = 31,977,986.70/x
  3. Step 3: Cross multiply
    51,109,862.70x = 76,664,794.05 × 31,977,986.70
  4. Step 4: Simplify right side
    51,109,862.70x = 2,451,585,764,489,139
  5. Step 5: Solve for x
    x = 2,451,585,764,489,139/51,109,862.70
  6. Step 6: Final answer
    x = 47,966,980.05

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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.