Home / 70,977,947.60-106,466,921.40-30,588,431.60

Finding the Fourth Proportional to 70,977,947.60, 106,466,921.40 and 30,588,431.60

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Solution

The fourth proportional to 70,977,947.60, 106,466,921.40 and 30,588,431.60 is: 45,882,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,977,947.60 : 106,466,921.40 = 30,588,431.60 : x
  2. Step 2: Convert to fraction form
    70,977,947.60/106,466,921.40 = 30,588,431.60/x
  3. Step 3: Cross multiply
    70,977,947.60x = 106,466,921.40 × 30,588,431.60
  4. Step 4: Simplify right side
    70,977,947.60x = 3,256,656,142,906,476.50
  5. Step 5: Solve for x
    x = 3,256,656,142,906,476.50/70,977,947.60
  6. Step 6: Final answer
    x = 45,882,647.40

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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.