Home / 120,180,682.80-180,271,024.20-43,476,031.80

Finding the Fourth Proportional to 120,180,682.80, 180,271,024.20 and 43,476,031.80

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Solution

The fourth proportional to 120,180,682.80, 180,271,024.20 and 43,476,031.80 is: 65,214,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,180,682.80 : 180,271,024.20 = 43,476,031.80 : x
  2. Step 2: Convert to fraction form
    120,180,682.80/180,271,024.20 = 43,476,031.80/x
  3. Step 3: Cross multiply
    120,180,682.80x = 180,271,024.20 × 43,476,031.80
  4. Step 4: Simplify right side
    120,180,682.80x = 7,837,468,780,737,769
  5. Step 5: Solve for x
    x = 7,837,468,780,737,769/120,180,682.80
  6. Step 6: Final answer
    x = 65,214,047.70

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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.