Home / 161,638,728-242,460,191.52-53,933,352

Finding the Fourth Proportional to 161,638,728, 242,460,191.52 and 53,933,352

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Solution

The fourth proportional to 161,638,728, 242,460,191.52 and 53,933,352 is: 80,900,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,638,728 : 242,460,191.52 = 53,933,352 : x
  2. Step 2: Convert to fraction form
    161,638,728/242,460,191.52 = 53,933,352/x
  3. Step 3: Cross multiply
    161,638,728x = 242,460,191.52 × 53,933,352
  4. Step 4: Simplify right side
    161,638,728x = 13,076,690,855,235,576
  5. Step 5: Solve for x
    x = 13,076,690,855,235,576/161,638,728
  6. Step 6: Final answer
    x = 80,900,728.54

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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.