Home / 111,093,612.80-166,640,419.20-39,290,028.80

Finding the Fourth Proportional to 111,093,612.80, 166,640,419.20 and 39,290,028.80

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Solution

The fourth proportional to 111,093,612.80, 166,640,419.20 and 39,290,028.80 is: 58,935,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,093,612.80 : 166,640,419.20 = 39,290,028.80 : x
  2. Step 2: Convert to fraction form
    111,093,612.80/166,640,419.20 = 39,290,028.80/x
  3. Step 3: Cross multiply
    111,093,612.80x = 166,640,419.20 × 39,290,028.80
  4. Step 4: Simplify right side
    111,093,612.80x = 6,547,306,869,612,072
  5. Step 5: Solve for x
    x = 6,547,306,869,612,072/111,093,612.80
  6. Step 6: Final answer
    x = 58,935,043.20

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1.5x scale

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.