Home / 112,020,107.20-168,030,160.80-98,583,179.20

Finding the Fourth Proportional to 112,020,107.20, 168,030,160.80 and 98,583,179.20

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Solution

The fourth proportional to 112,020,107.20, 168,030,160.80 and 98,583,179.20 is: 147,874,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,020,107.20 : 168,030,160.80 = 98,583,179.20 : x
  2. Step 2: Convert to fraction form
    112,020,107.20/168,030,160.80 = 98,583,179.20/x
  3. Step 3: Cross multiply
    112,020,107.20x = 168,030,160.80 × 98,583,179.20
  4. Step 4: Simplify right side
    112,020,107.20x = 16,564,947,453,151,218
  5. Step 5: Solve for x
    x = 16,564,947,453,151,218/112,020,107.20
  6. Step 6: Final answer
    x = 147,874,768.80

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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.