Home / 315,208,205.90-472,293,504.36-107,833,253.70

Finding the Fourth Proportional to 315,208,205.90, 472,293,504.36 and 107,833,253.70

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Solution

The fourth proportional to 315,208,205.90, 472,293,504.36 and 107,833,253.70 is: 161,572,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,208,205.90 : 472,293,504.36 = 107,833,253.70 : x
  2. Step 2: Convert to fraction form
    315,208,205.90/472,293,504.36 = 107,833,253.70/x
  3. Step 3: Cross multiply
    315,208,205.90x = 472,293,504.36 × 107,833,253.70
  4. Step 4: Simplify right side
    315,208,205.90x = 50,928,945,276,513,936
  5. Step 5: Solve for x
    x = 50,928,945,276,513,936/315,208,205.90
  6. Step 6: Final answer
    x = 161,572,396.67

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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.