Home / 185,858,700.45-278,819,812.10-76,624,158.34

Finding the Fourth Proportional to 185,858,700.45, 278,819,812.10 and 76,624,158.34

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Solution

The fourth proportional to 185,858,700.45, 278,819,812.10 and 76,624,158.34 is: 114,949,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,858,700.45 : 278,819,812.10 = 76,624,158.34 : x
  2. Step 2: Convert to fraction form
    185,858,700.45/278,819,812.10 = 76,624,158.34/x
  3. Step 3: Cross multiply
    185,858,700.45x = 278,819,812.10 × 76,624,158.34
  4. Step 4: Simplify right side
    185,858,700.45x = 21,364,333,430,679,452
  5. Step 5: Solve for x
    x = 21,364,333,430,679,452/185,858,700.45
  6. Step 6: Final answer
    x = 114,949,331.83

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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.