Home / 85,410,749.30-128,103,682.35-24,820,157.30

Finding the Fourth Proportional to 85,410,749.30, 128,103,682.35 and 24,820,157.30

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Solution

The fourth proportional to 85,410,749.30, 128,103,682.35 and 24,820,157.30 is: 37,226,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,410,749.30 : 128,103,682.35 = 24,820,157.30 : x
  2. Step 2: Convert to fraction form
    85,410,749.30/128,103,682.35 = 24,820,157.30/x
  3. Step 3: Cross multiply
    85,410,749.30x = 128,103,682.35 × 24,820,157.30
  4. Step 4: Simplify right side
    85,410,749.30x = 3,179,553,546,636,233.50
  5. Step 5: Solve for x
    x = 3,179,553,546,636,233.50/85,410,749.30
  6. Step 6: Final answer
    x = 37,226,620.45

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1.5x scale

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.