Home / 163,477,948.32-225,654,236.10-97,419,161.34

Finding the Fourth Proportional to 163,477,948.32, 225,654,236.10 and 97,419,161.34

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Solution

The fourth proportional to 163,477,948.32, 225,654,236.10 and 97,419,161.34 is: 134,471,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,477,948.32 : 225,654,236.10 = 97,419,161.34 : x
  2. Step 2: Convert to fraction form
    163,477,948.32/225,654,236.10 = 97,419,161.34/x
  3. Step 3: Cross multiply
    163,477,948.32x = 225,654,236.10 × 97,419,161.34
  4. Step 4: Simplify right side
    163,477,948.32x = 21,983,046,433,680,352
  5. Step 5: Solve for x
    x = 21,983,046,433,680,352/163,477,948.32
  6. Step 6: Final answer
    x = 134,471,019.85

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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.