Home / 109,939,445.70-151,729,895.20-63,529,699.62

Finding the Fourth Proportional to 109,939,445.70, 151,729,895.20 and 63,529,699.62

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Solution

The fourth proportional to 109,939,445.70, 151,729,895.20 and 63,529,699.62 is: 87,678,763.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,939,445.70 : 151,729,895.20 = 63,529,699.62 : x
  2. Step 2: Convert to fraction form
    109,939,445.70/151,729,895.20 = 63,529,699.62/x
  3. Step 3: Cross multiply
    109,939,445.70x = 151,729,895.20 × 63,529,699.62
  4. Step 4: Simplify right side
    109,939,445.70x = 9,639,354,665,430,078
  5. Step 5: Solve for x
    x = 9,639,354,665,430,078/109,939,445.70
  6. Step 6: Final answer
    x = 87,678,763.56

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Why These Related Problems?

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