Home / 112,490,378.94-168,718,519.49-30,615,637.39

Finding the Fourth Proportional to 112,490,378.94, 168,718,519.49 and 30,615,637.39

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Solution

The fourth proportional to 112,490,378.94, 168,718,519.49 and 30,615,637.39 is: 45,918,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,490,378.94 : 168,718,519.49 = 30,615,637.39 : x
  2. Step 2: Convert to fraction form
    112,490,378.94/168,718,519.49 = 30,615,637.39/x
  3. Step 3: Cross multiply
    112,490,378.94x = 168,718,519.49 × 30,615,637.39
  4. Step 4: Simplify right side
    112,490,378.94x = 5,165,425,013,108,614
  5. Step 5: Solve for x
    x = 5,165,425,013,108,614/112,490,378.94
  6. Step 6: Final answer
    x = 45,918,816.01

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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.