Home / 37,028,151,125.42-51,097,979,461.92-21,787,230,081.25

Finding the Fourth Proportional to 37,028,151,125.42, 51,097,979,461.92 and 21,787,230,081.25

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Solution

The fourth proportional to 37,028,151,125.42, 51,097,979,461.92 and 21,787,230,081.25 is: 30,065,866,142.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,028,151,125.42 : 51,097,979,461.92 = 21,787,230,081.25 : x
  2. Step 2: Convert to fraction form
    37,028,151,125.42/51,097,979,461.92 = 21,787,230,081.25/x
  3. Step 3: Cross multiply
    37,028,151,125.42x = 51,097,979,461.92 × 21,787,230,081.25
  4. Step 4: Simplify right side
    37,028,151,125.42x = 1,113,283,435,223,853,170,688
  5. Step 5: Solve for x
    x = 1,113,283,435,223,853,170,688/37,028,151,125.42
  6. Step 6: Final answer
    x = 30,065,866,142.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.