Home / 212,028,488.16-318,049,847.28-58,661,701.44

Finding the Fourth Proportional to 212,028,488.16, 318,049,847.28 and 58,661,701.44

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Solution

The fourth proportional to 212,028,488.16, 318,049,847.28 and 58,661,701.44 is: 87,994,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,028,488.16 : 318,049,847.28 = 58,661,701.44 : x
  2. Step 2: Convert to fraction form
    212,028,488.16/318,049,847.28 = 58,661,701.44/x
  3. Step 3: Cross multiply
    212,028,488.16x = 318,049,847.28 × 58,661,701.44
  4. Step 4: Simplify right side
    212,028,488.16x = 18,657,345,184,176,952
  5. Step 5: Solve for x
    x = 18,657,345,184,176,952/212,028,488.16
  6. Step 6: Final answer
    x = 87,994,520.67

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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.