Home / 315,924,096.70-473,886,145.05-143,737,212.70

Finding the Fourth Proportional to 315,924,096.70, 473,886,145.05 and 143,737,212.70

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Solution

The fourth proportional to 315,924,096.70, 473,886,145.05 and 143,737,212.70 is: 215,605,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,924,096.70 : 473,886,145.05 = 143,737,212.70 : x
  2. Step 2: Convert to fraction form
    315,924,096.70/473,886,145.05 = 143,737,212.70/x
  3. Step 3: Cross multiply
    315,924,096.70x = 473,886,145.05 × 143,737,212.70
  4. Step 4: Simplify right side
    315,924,096.70x = 68,115,073,626,634,896
  5. Step 5: Solve for x
    x = 68,115,073,626,634,896/315,924,096.70
  6. Step 6: Final answer
    x = 215,605,819.05

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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.