Home / 43,454,027.70-65,181,041.55-42,782,181.30

Finding the Fourth Proportional to 43,454,027.70, 65,181,041.55 and 42,782,181.30

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Solution

The fourth proportional to 43,454,027.70, 65,181,041.55 and 42,782,181.30 is: 64,173,271.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,454,027.70 : 65,181,041.55 = 42,782,181.30 : x
  2. Step 2: Convert to fraction form
    43,454,027.70/65,181,041.55 = 42,782,181.30/x
  3. Step 3: Cross multiply
    43,454,027.70x = 65,181,041.55 × 42,782,181.30
  4. Step 4: Simplify right side
    43,454,027.70x = 2,788,587,136,914,932.50
  5. Step 5: Solve for x
    x = 2,788,587,136,914,932.50/43,454,027.70
  6. Step 6: Final answer
    x = 64,173,271.95

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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.