Home / 171,336,647.80-257,151,938.10-69,174,004.60

Finding the Fourth Proportional to 171,336,647.80, 257,151,938.10 and 69,174,004.60

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Solution

The fourth proportional to 171,336,647.80, 257,151,938.10 and 69,174,004.60 is: 103,820,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,336,647.80 : 257,151,938.10 = 69,174,004.60 : x
  2. Step 2: Convert to fraction form
    171,336,647.80/257,151,938.10 = 69,174,004.60/x
  3. Step 3: Cross multiply
    171,336,647.80x = 257,151,938.10 × 69,174,004.60
  4. Step 4: Simplify right side
    171,336,647.80x = 17,788,229,349,028,314
  5. Step 5: Solve for x
    x = 17,788,229,349,028,314/171,336,647.80
  6. Step 6: Final answer
    x = 103,820,341.87

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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.