Home / 99,848,956.20-149,773,434.30-82,828,847.40

Finding the Fourth Proportional to 99,848,956.20, 149,773,434.30 and 82,828,847.40

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Solution

The fourth proportional to 99,848,956.20, 149,773,434.30 and 82,828,847.40 is: 124,243,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,848,956.20 : 149,773,434.30 = 82,828,847.40 : x
  2. Step 2: Convert to fraction form
    99,848,956.20/149,773,434.30 = 82,828,847.40/x
  3. Step 3: Cross multiply
    99,848,956.20x = 149,773,434.30 × 82,828,847.40
  4. Step 4: Simplify right side
    99,848,956.20x = 12,405,560,934,208,628
  5. Step 5: Solve for x
    x = 12,405,560,934,208,628/99,848,956.20
  6. Step 6: Final answer
    x = 124,243,271.10

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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.