Home / 75,540,902.40-113,311,353.60-69,801,339.60

Finding the Fourth Proportional to 75,540,902.40, 113,311,353.60 and 69,801,339.60

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Solution

The fourth proportional to 75,540,902.40, 113,311,353.60 and 69,801,339.60 is: 104,702,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,540,902.40 : 113,311,353.60 = 69,801,339.60 : x
  2. Step 2: Convert to fraction form
    75,540,902.40/113,311,353.60 = 69,801,339.60/x
  3. Step 3: Cross multiply
    75,540,902.40x = 113,311,353.60 × 69,801,339.60
  4. Step 4: Simplify right side
    75,540,902.40x = 7,909,284,273,169,281
  5. Step 5: Solve for x
    x = 7,909,284,273,169,281/75,540,902.40
  6. Step 6: Final answer
    x = 104,702,009.40

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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.