Home / 109,986,059.12-151,783,168.60-60,427,071.60

Finding the Fourth Proportional to 109,986,059.12, 151,783,168.60 and 60,427,071.60

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Solution

The fourth proportional to 109,986,059.12, 151,783,168.60 and 60,427,071.60 is: 83,390,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,986,059.12 : 151,783,168.60 = 60,427,071.60 : x
  2. Step 2: Convert to fraction form
    109,986,059.12/151,783,168.60 = 60,427,071.60/x
  3. Step 3: Cross multiply
    109,986,059.12x = 151,783,168.60 × 60,427,071.60
  4. Step 4: Simplify right side
    109,986,059.12x = 9,171,812,396,667,072
  5. Step 5: Solve for x
    x = 9,171,812,396,667,072/109,986,059.12
  6. Step 6: Final answer
    x = 83,390,681.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.