Home / 99,497,250.40-149,245,875.60-30,409,920.40

Finding the Fourth Proportional to 99,497,250.40, 149,245,875.60 and 30,409,920.40

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Solution

The fourth proportional to 99,497,250.40, 149,245,875.60 and 30,409,920.40 is: 45,614,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,497,250.40 : 149,245,875.60 = 30,409,920.40 : x
  2. Step 2: Convert to fraction form
    99,497,250.40/149,245,875.60 = 30,409,920.40/x
  3. Step 3: Cross multiply
    99,497,250.40x = 149,245,875.60 × 30,409,920.40
  4. Step 4: Simplify right side
    99,497,250.40x = 4,538,555,197,024,302
  5. Step 5: Solve for x
    x = 4,538,555,197,024,302/99,497,250.40
  6. Step 6: Final answer
    x = 45,614,880.60

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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.