Home / 49,870,197,028.42-74,924,634,189.53-31,977,631,145.12

Finding the Fourth Proportional to 49,870,197,028.42, 74,924,634,189.53 and 31,977,631,145.12

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Solution

The fourth proportional to 49,870,197,028.42, 74,924,634,189.53 and 31,977,631,145.12 is: 48,042,968,717.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,870,197,028.42 : 74,924,634,189.53 = 31,977,631,145.12 : x
  2. Step 2: Convert to fraction form
    49,870,197,028.42/74,924,634,189.53 = 31,977,631,145.12/x
  3. Step 3: Cross multiply
    49,870,197,028.42x = 74,924,634,189.53 × 31,977,631,145.12
  4. Step 4: Simplify right side
    49,870,197,028.42x = 2,395,912,315,795,837,288,448
  5. Step 5: Solve for x
    x = 2,395,912,315,795,837,288,448/49,870,197,028.42
  6. Step 6: Final answer
    x = 48,042,968,717.98

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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.