Home / 99,144,032.40-148,716,048.60-76,469,216.40

Finding the Fourth Proportional to 99,144,032.40, 148,716,048.60 and 76,469,216.40

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Solution

The fourth proportional to 99,144,032.40, 148,716,048.60 and 76,469,216.40 is: 114,703,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,144,032.40 : 148,716,048.60 = 76,469,216.40 : x
  2. Step 2: Convert to fraction form
    99,144,032.40/148,716,048.60 = 76,469,216.40/x
  3. Step 3: Cross multiply
    99,144,032.40x = 148,716,048.60 × 76,469,216.40
  4. Step 4: Simplify right side
    99,144,032.40x = 11,372,199,702,546,318
  5. Step 5: Solve for x
    x = 11,372,199,702,546,318/99,144,032.40
  6. Step 6: Final answer
    x = 114,703,824.60

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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.