Home / 81,808,511.49-122,711,958.45-37,480,222.94

Finding the Fourth Proportional to 81,808,511.49, 122,711,958.45 and 37,480,222.94

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Solution

The fourth proportional to 81,808,511.49, 122,711,958.45 and 37,480,222.94 is: 56,219,963.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,808,511.49 : 122,711,958.45 = 37,480,222.94 : x
  2. Step 2: Convert to fraction form
    81,808,511.49/122,711,958.45 = 37,480,222.94/x
  3. Step 3: Cross multiply
    81,808,511.49x = 122,711,958.45 × 37,480,222.94
  4. Step 4: Simplify right side
    81,808,511.49x = 4,599,271,559,496,457
  5. Step 5: Solve for x
    x = 4,599,271,559,496,457/81,808,511.49
  6. Step 6: Final answer
    x = 56,219,963.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.