Home / 49,870,197,028.66-74,924,634,189.92-31,977,631,145.36

Finding the Fourth Proportional to 49,870,197,028.66, 74,924,634,189.92 and 31,977,631,145.36

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Solution

The fourth proportional to 49,870,197,028.66, 74,924,634,189.92 and 31,977,631,145.36 is: 48,042,968,718.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,870,197,028.66 : 74,924,634,189.92 = 31,977,631,145.36 : x
  2. Step 2: Convert to fraction form
    49,870,197,028.66/74,924,634,189.92 = 31,977,631,145.36/x
  3. Step 3: Cross multiply
    49,870,197,028.66x = 74,924,634,189.92 × 31,977,631,145.36
  4. Step 4: Simplify right side
    49,870,197,028.66x = 2,395,912,315,826,312,577,024
  5. Step 5: Solve for x
    x = 2,395,912,315,826,312,577,024/49,870,197,028.66
  6. Step 6: Final answer
    x = 48,042,968,718.36

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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.