Home / 57,169,297,463.36-78,895,807,177.38-31,796,603,512.16

Finding the Fourth Proportional to 57,169,297,463.36, 78,895,807,177.38 and 31,796,603,512.16

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Solution

The fourth proportional to 57,169,297,463.36, 78,895,807,177.38 and 31,796,603,512.16 is: 43,880,523,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,169,297,463.36 : 78,895,807,177.38 = 31,796,603,512.16 : x
  2. Step 2: Convert to fraction form
    57,169,297,463.36/78,895,807,177.38 = 31,796,603,512.16/x
  3. Step 3: Cross multiply
    57,169,297,463.36x = 78,895,807,177.38 × 31,796,603,512.16
  4. Step 4: Simplify right side
    57,169,297,463.36x = 2,508,618,699,590,979,289,088
  5. Step 5: Solve for x
    x = 2,508,618,699,590,979,289,088/57,169,297,463.36
  6. Step 6: Final answer
    x = 43,880,523,478.51

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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.