Home / 212,018,827.39-318,035,326.96-58,652,040.67

Finding the Fourth Proportional to 212,018,827.39, 318,035,326.96 and 58,652,040.67

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Solution

The fourth proportional to 212,018,827.39, 318,035,326.96 and 58,652,040.67 is: 87,980,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,018,827.39 : 318,035,326.96 = 58,652,040.67 : x
  2. Step 2: Convert to fraction form
    212,018,827.39/318,035,326.96 = 58,652,040.67/x
  3. Step 3: Cross multiply
    212,018,827.39x = 318,035,326.96 × 58,652,040.67
  4. Step 4: Simplify right side
    212,018,827.39x = 18,653,420,930,633,480
  5. Step 5: Solve for x
    x = 18,653,420,930,633,480/212,018,827.39
  6. Step 6: Final answer
    x = 87,980,021.21

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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.