Home / 101,369,021.28-139,892,200.43-57,315,074.28

Finding the Fourth Proportional to 101,369,021.28, 139,892,200.43 and 57,315,074.28

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Solution

The fourth proportional to 101,369,021.28, 139,892,200.43 and 57,315,074.28 is: 79,096,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,369,021.28 : 139,892,200.43 = 57,315,074.28 : x
  2. Step 2: Convert to fraction form
    101,369,021.28/139,892,200.43 = 57,315,074.28/x
  3. Step 3: Cross multiply
    101,369,021.28x = 139,892,200.43 × 57,315,074.28
  4. Step 4: Simplify right side
    101,369,021.28x = 8,017,931,858,551,523
  5. Step 5: Solve for x
    x = 8,017,931,858,551,523/101,369,021.28
  6. Step 6: Final answer
    x = 79,096,471.06

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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.