Home / 69,357,399.12-95,676,922.44-42,887,290.32

Finding the Fourth Proportional to 69,357,399.12, 95,676,922.44 and 42,887,290.32

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Solution

The fourth proportional to 69,357,399.12, 95,676,922.44 and 42,887,290.32 is: 59,162,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,357,399.12 : 95,676,922.44 = 42,887,290.32 : x
  2. Step 2: Convert to fraction form
    69,357,399.12/95,676,922.44 = 42,887,290.32/x
  3. Step 3: Cross multiply
    69,357,399.12x = 95,676,922.44 × 42,887,290.32
  4. Step 4: Simplify right side
    69,357,399.12x = 4,103,323,949,608,402.50
  5. Step 5: Solve for x
    x = 4,103,323,949,608,402.50/69,357,399.12
  6. Step 6: Final answer
    x = 59,162,021.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.