Home / 251,664,518.34-347,290,005.81-140,155,328.73

Finding the Fourth Proportional to 251,664,518.34, 347,290,005.81 and 140,155,328.73

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Solution

The fourth proportional to 251,664,518.34, 347,290,005.81 and 140,155,328.73 is: 193,410,438.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,664,518.34 : 347,290,005.81 = 140,155,328.73 : x
  2. Step 2: Convert to fraction form
    251,664,518.34/347,290,005.81 = 140,155,328.73/x
  3. Step 3: Cross multiply
    251,664,518.34x = 347,290,005.81 × 140,155,328.73
  4. Step 4: Simplify right side
    251,664,518.34x = 48,674,544,928,944,160
  5. Step 5: Solve for x
    x = 48,674,544,928,944,160/251,664,518.34
  6. Step 6: Final answer
    x = 193,410,438.83

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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.