Home / 31,178,065,719.60-46,767,098,579.40-21,260,101,201.20

Finding the Fourth Proportional to 31,178,065,719.60, 46,767,098,579.40 and 21,260,101,201.20

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Solution

The fourth proportional to 31,178,065,719.60, 46,767,098,579.40 and 21,260,101,201.20 is: 31,890,151,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,178,065,719.60 : 46,767,098,579.40 = 21,260,101,201.20 : x
  2. Step 2: Convert to fraction form
    31,178,065,719.60/46,767,098,579.40 = 21,260,101,201.20/x
  3. Step 3: Cross multiply
    31,178,065,719.60x = 46,767,098,579.40 × 21,260,101,201.20
  4. Step 4: Simplify right side
    31,178,065,719.60x = 994,273,248,684,540,821,504
  5. Step 5: Solve for x
    x = 994,273,248,684,540,821,504/31,178,065,719.60
  6. Step 6: Final answer
    x = 31,890,151,801.80

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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.