Home / 111,685,816.40-167,528,724.60-82,988,002.40

Finding the Fourth Proportional to 111,685,816.40, 167,528,724.60 and 82,988,002.40

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Solution

The fourth proportional to 111,685,816.40, 167,528,724.60 and 82,988,002.40 is: 124,482,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,685,816.40 : 167,528,724.60 = 82,988,002.40 : x
  2. Step 2: Convert to fraction form
    111,685,816.40/167,528,724.60 = 82,988,002.40/x
  3. Step 3: Cross multiply
    111,685,816.40x = 167,528,724.60 × 82,988,002.40
  4. Step 4: Simplify right side
    111,685,816.40x = 13,902,874,199,173,740
  5. Step 5: Solve for x
    x = 13,902,874,199,173,740/111,685,816.40
  6. Step 6: Final answer
    x = 124,482,003.60

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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.