Home / 153,425,739.12-211,733,956.44-88,235,694.96

Finding the Fourth Proportional to 153,425,739.12, 211,733,956.44 and 88,235,694.96

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Solution

The fourth proportional to 153,425,739.12, 211,733,956.44 and 88,235,694.96 is: 121,768,960.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,425,739.12 : 211,733,956.44 = 88,235,694.96 : x
  2. Step 2: Convert to fraction form
    153,425,739.12/211,733,956.44 = 88,235,694.96/x
  3. Step 3: Cross multiply
    153,425,739.12x = 211,733,956.44 × 88,235,694.96
  4. Step 4: Simplify right side
    153,425,739.12x = 18,682,492,793,113,764
  5. Step 5: Solve for x
    x = 18,682,492,793,113,764/153,425,739.12
  6. Step 6: Final answer
    x = 121,768,960.67

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