Home / 105,989,181.80-158,983,772.70-98,336,431.40

Finding the Fourth Proportional to 105,989,181.80, 158,983,772.70 and 98,336,431.40

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Solution

The fourth proportional to 105,989,181.80, 158,983,772.70 and 98,336,431.40 is: 147,504,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,989,181.80 : 158,983,772.70 = 98,336,431.40 : x
  2. Step 2: Convert to fraction form
    105,989,181.80/158,983,772.70 = 98,336,431.40/x
  3. Step 3: Cross multiply
    105,989,181.80x = 158,983,772.70 × 98,336,431.40
  4. Step 4: Simplify right side
    105,989,181.80x = 15,633,896,857,826,742
  5. Step 5: Solve for x
    x = 15,633,896,857,826,742/105,989,181.80
  6. Step 6: Final answer
    x = 147,504,647.10

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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.