Home / 35,758,161.76-49,351,463.04-20,078,946.40

Finding the Fourth Proportional to 35,758,161.76, 49,351,463.04 and 20,078,946.40

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Solution

The fourth proportional to 35,758,161.76, 49,351,463.04 and 20,078,946.40 is: 27,711,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,758,161.76 : 49,351,463.04 = 20,078,946.40 : x
  2. Step 2: Convert to fraction form
    35,758,161.76/49,351,463.04 = 20,078,946.40/x
  3. Step 3: Cross multiply
    35,758,161.76x = 49,351,463.04 × 20,078,946.40
  4. Step 4: Simplify right side
    35,758,161.76x = 990,925,381,141,741
  5. Step 5: Solve for x
    x = 990,925,381,141,741/35,758,161.76
  6. Step 6: Final answer
    x = 27,711,865.83

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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.