Home / 112,020,121.20-168,030,181.80-98,583,193.20

Finding the Fourth Proportional to 112,020,121.20, 168,030,181.80 and 98,583,193.20

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Solution

The fourth proportional to 112,020,121.20, 168,030,181.80 and 98,583,193.20 is: 147,874,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,020,121.20 : 168,030,181.80 = 98,583,193.20 : x
  2. Step 2: Convert to fraction form
    112,020,121.20/168,030,181.80 = 98,583,193.20/x
  3. Step 3: Cross multiply
    112,020,121.20x = 168,030,181.80 × 98,583,193.20
  4. Step 4: Simplify right side
    112,020,121.20x = 16,564,951,875,820,526
  5. Step 5: Solve for x
    x = 16,564,951,875,820,526/112,020,121.20
  6. Step 6: Final answer
    x = 147,874,789.80

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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.