Home / 163,278,102.16-225,323,793.30-89,939,244.16

Finding the Fourth Proportional to 163,278,102.16, 225,323,793.30 and 89,939,244.16

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Solution

The fourth proportional to 163,278,102.16, 225,323,793.30 and 89,939,244.16 is: 124,116,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,278,102.16 : 225,323,793.30 = 89,939,244.16 : x
  2. Step 2: Convert to fraction form
    163,278,102.16/225,323,793.30 = 89,939,244.16/x
  3. Step 3: Cross multiply
    163,278,102.16x = 225,323,793.30 × 89,939,244.16
  4. Step 4: Simplify right side
    163,278,102.16x = 20,265,451,660,666,072
  5. Step 5: Solve for x
    x = 20,265,451,660,666,072/163,278,102.16
  6. Step 6: Final answer
    x = 124,116,163.73

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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.