Home / 30,343,334.80-45,515,002.20-30,130,758.40

Finding the Fourth Proportional to 30,343,334.80, 45,515,002.20 and 30,130,758.40

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Solution

The fourth proportional to 30,343,334.80, 45,515,002.20 and 30,130,758.40 is: 45,196,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343,334.80 : 45,515,002.20 = 30,130,758.40 : x
  2. Step 2: Convert to fraction form
    30,343,334.80/45,515,002.20 = 30,130,758.40/x
  3. Step 3: Cross multiply
    30,343,334.80x = 45,515,002.20 × 30,130,758.40
  4. Step 4: Simplify right side
    30,343,334.80x = 1,371,401,534,863,668.50
  5. Step 5: Solve for x
    x = 1,371,401,534,863,668.50/30,343,334.80
  6. Step 6: Final answer
    x = 45,196,137.60

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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.