Home / 383,638,031.10-575,457,046.65-141,269,442.30

Finding the Fourth Proportional to 383,638,031.10, 575,457,046.65 and 141,269,442.30

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Solution

The fourth proportional to 383,638,031.10, 575,457,046.65 and 141,269,442.30 is: 211,904,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,638,031.10 : 575,457,046.65 = 141,269,442.30 : x
  2. Step 2: Convert to fraction form
    383,638,031.10/575,457,046.65 = 141,269,442.30/x
  3. Step 3: Cross multiply
    383,638,031.10x = 575,457,046.65 × 141,269,442.30
  4. Step 4: Simplify right side
    383,638,031.10x = 81,294,496,047,850,592
  5. Step 5: Solve for x
    x = 81,294,496,047,850,592/383,638,031.10
  6. Step 6: Final answer
    x = 211,904,163.45

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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.