Home / 99,523,688.70-149,285,533.05-82,517,576.70

Finding the Fourth Proportional to 99,523,688.70, 149,285,533.05 and 82,517,576.70

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Solution

The fourth proportional to 99,523,688.70, 149,285,533.05 and 82,517,576.70 is: 123,776,365.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,523,688.70 : 149,285,533.05 = 82,517,576.70 : x
  2. Step 2: Convert to fraction form
    99,523,688.70/149,285,533.05 = 82,517,576.70/x
  3. Step 3: Cross multiply
    99,523,688.70x = 149,285,533.05 × 82,517,576.70
  4. Step 4: Simplify right side
    99,523,688.70x = 12,318,680,423,653,762
  5. Step 5: Solve for x
    x = 12,318,680,423,653,762/99,523,688.70
  6. Step 6: Final answer
    x = 123,776,365.05

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Why These Related Problems?

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