Home / 91,493,990.16-126,263,900.25-49,679,817.72

Finding the Fourth Proportional to 91,493,990.16, 126,263,900.25 and 49,679,817.72

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Solution

The fourth proportional to 91,493,990.16, 126,263,900.25 and 49,679,817.72 is: 68,559,339.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,493,990.16 : 126,263,900.25 = 49,679,817.72 : x
  2. Step 2: Convert to fraction form
    91,493,990.16/126,263,900.25 = 49,679,817.72/x
  3. Step 3: Cross multiply
    91,493,990.16x = 126,263,900.25 × 49,679,817.72
  4. Step 4: Simplify right side
    91,493,990.16x = 6,272,767,549,036,262
  5. Step 5: Solve for x
    x = 6,272,767,549,036,262/91,493,990.16
  6. Step 6: Final answer
    x = 68,559,339.67

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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.