Home / 123,819,405.60-185,729,108.40-70,071,693.60

Finding the Fourth Proportional to 123,819,405.60, 185,729,108.40 and 70,071,693.60

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Solution

The fourth proportional to 123,819,405.60, 185,729,108.40 and 70,071,693.60 is: 105,107,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,819,405.60 : 185,729,108.40 = 70,071,693.60 : x
  2. Step 2: Convert to fraction form
    123,819,405.60/185,729,108.40 = 70,071,693.60/x
  3. Step 3: Cross multiply
    123,819,405.60x = 185,729,108.40 × 70,071,693.60
  4. Step 4: Simplify right side
    123,819,405.60x = 13,014,353,176,405,986
  5. Step 5: Solve for x
    x = 13,014,353,176,405,986/123,819,405.60
  6. Step 6: Final answer
    x = 105,107,540.40

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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.