Home / 112,490,378.29-168,718,518.51-30,615,636.73

Finding the Fourth Proportional to 112,490,378.29, 168,718,518.51 and 30,615,636.73

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Solution

The fourth proportional to 112,490,378.29, 168,718,518.51 and 30,615,636.73 is: 45,918,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,490,378.29 : 168,718,518.51 = 30,615,636.73 : x
  2. Step 2: Convert to fraction form
    112,490,378.29/168,718,518.51 = 30,615,636.73/x
  3. Step 3: Cross multiply
    112,490,378.29x = 168,718,518.51 × 30,615,636.73
  4. Step 4: Simplify right side
    112,490,378.29x = 5,165,424,871,904,144
  5. Step 5: Solve for x
    x = 5,165,424,871,904,144/112,490,378.29
  6. Step 6: Final answer
    x = 45,918,815.02

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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.