Home / 112,490,376.78-168,718,516.26-30,615,635.23

Finding the Fourth Proportional to 112,490,376.78, 168,718,516.26 and 30,615,635.23

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Solution

The fourth proportional to 112,490,376.78, 168,718,516.26 and 30,615,635.23 is: 45,918,812.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,490,376.78 : 168,718,516.26 = 30,615,635.23 : x
  2. Step 2: Convert to fraction form
    112,490,376.78/168,718,516.26 = 30,615,635.23/x
  3. Step 3: Cross multiply
    112,490,376.78x = 168,718,516.26 × 30,615,635.23
  4. Step 4: Simplify right side
    112,490,376.78x = 5,165,424,550,344,152
  5. Step 5: Solve for x
    x = 5,165,424,550,344,152/112,490,376.78
  6. Step 6: Final answer
    x = 45,918,812.77

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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.