Home / 98,847,999.40-148,271,999.10-30,697,580.20

Finding the Fourth Proportional to 98,847,999.40, 148,271,999.10 and 30,697,580.20

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Solution

The fourth proportional to 98,847,999.40, 148,271,999.10 and 30,697,580.20 is: 46,046,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,847,999.40 : 148,271,999.10 = 30,697,580.20 : x
  2. Step 2: Convert to fraction form
    98,847,999.40/148,271,999.10 = 30,697,580.20/x
  3. Step 3: Cross multiply
    98,847,999.40x = 148,271,999.10 × 30,697,580.20
  4. Step 4: Simplify right side
    98,847,999.40x = 4,551,591,583,786,578
  5. Step 5: Solve for x
    x = 4,551,591,583,786,578/98,847,999.40
  6. Step 6: Final answer
    x = 46,046,370.30

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1.5x scale

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.