Home / 30,281,230.80-45,421,846.20-27,942,890.40

Finding the Fourth Proportional to 30,281,230.80, 45,421,846.20 and 27,942,890.40

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Solution

The fourth proportional to 30,281,230.80, 45,421,846.20 and 27,942,890.40 is: 41,914,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281,230.80 : 45,421,846.20 = 27,942,890.40 : x
  2. Step 2: Convert to fraction form
    30,281,230.80/45,421,846.20 = 27,942,890.40/x
  3. Step 3: Cross multiply
    30,281,230.80x = 45,421,846.20 × 27,942,890.40
  4. Step 4: Simplify right side
    30,281,230.80x = 1,269,217,670,132,256.50
  5. Step 5: Solve for x
    x = 1,269,217,670,132,256.50/30,281,230.80
  6. Step 6: Final answer
    x = 41,914,335.60

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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.