Home / 125,422,134.89-173,082,546.02-70,419,172.37

Finding the Fourth Proportional to 125,422,134.89, 173,082,546.02 and 70,419,172.37

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Solution

The fourth proportional to 125,422,134.89, 173,082,546.02 and 70,419,172.37 is: 97,178,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,422,134.89 : 173,082,546.02 = 70,419,172.37 : x
  2. Step 2: Convert to fraction form
    125,422,134.89/173,082,546.02 = 70,419,172.37/x
  3. Step 3: Cross multiply
    125,422,134.89x = 173,082,546.02 × 70,419,172.37
  4. Step 4: Simplify right side
    125,422,134.89x = 12,188,329,641,731,472
  5. Step 5: Solve for x
    x = 12,188,329,641,731,472/125,422,134.89
  6. Step 6: Final answer
    x = 97,178,457.80

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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.