Home / 91,047,814.53-125,638,388.52-51,353,157.84

Finding the Fourth Proportional to 91,047,814.53, 125,638,388.52 and 51,353,157.84

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Solution

The fourth proportional to 91,047,814.53, 125,638,388.52 and 51,353,157.84 is: 70,863,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,047,814.53 : 125,638,388.52 = 51,353,157.84 : x
  2. Step 2: Convert to fraction form
    91,047,814.53/125,638,388.52 = 51,353,157.84/x
  3. Step 3: Cross multiply
    91,047,814.53x = 125,638,388.52 × 51,353,157.84
  4. Step 4: Simplify right side
    91,047,814.53x = 6,451,927,996,430,804
  5. Step 5: Solve for x
    x = 6,451,927,996,430,804/91,047,814.53
  6. Step 6: Final answer
    x = 70,863,073.76

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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.