Home / 122,594,868.42-183,892,979.79-30,478,606.62

Finding the Fourth Proportional to 122,594,868.42, 183,892,979.79 and 30,478,606.62

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Solution

The fourth proportional to 122,594,868.42, 183,892,979.79 and 30,478,606.62 is: 45,718,078.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,594,868.42 : 183,892,979.79 = 30,478,606.62 : x
  2. Step 2: Convert to fraction form
    122,594,868.42/183,892,979.79 = 30,478,606.62/x
  3. Step 3: Cross multiply
    122,594,868.42x = 183,892,979.79 × 30,478,606.62
  4. Step 4: Simplify right side
    122,594,868.42x = 5,604,801,791,199,020
  5. Step 5: Solve for x
    x = 5,604,801,791,199,020/122,594,868.42
  6. Step 6: Final answer
    x = 45,718,078.28

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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.