Home / 112,477,198.70-168,672,179.72-38,686,948

Finding the Fourth Proportional to 112,477,198.70, 168,672,179.72 and 38,686,948

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Solution

The fourth proportional to 112,477,198.70, 168,672,179.72 and 38,686,948 is: 58,015,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,477,198.70 : 168,672,179.72 = 38,686,948 : x
  2. Step 2: Convert to fraction form
    112,477,198.70/168,672,179.72 = 38,686,948/x
  3. Step 3: Cross multiply
    112,477,198.70x = 168,672,179.72 × 38,686,948
  4. Step 4: Simplify right side
    112,477,198.70x = 6,525,411,845,874,295
  5. Step 5: Solve for x
    x = 6,525,411,845,874,295/112,477,198.70
  6. Step 6: Final answer
    x = 58,015,419.31

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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.