Home / 120,488,244.80-180,732,367.20-112,174,145.60

Finding the Fourth Proportional to 120,488,244.80, 180,732,367.20 and 112,174,145.60

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Solution

The fourth proportional to 120,488,244.80, 180,732,367.20 and 112,174,145.60 is: 168,261,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,488,244.80 : 180,732,367.20 = 112,174,145.60 : x
  2. Step 2: Convert to fraction form
    120,488,244.80/180,732,367.20 = 112,174,145.60/x
  3. Step 3: Cross multiply
    120,488,244.80x = 180,732,367.20 × 112,174,145.60
  4. Step 4: Simplify right side
    120,488,244.80x = 20,273,498,872,925,460
  5. Step 5: Solve for x
    x = 20,273,498,872,925,460/120,488,244.80
  6. Step 6: Final answer
    x = 168,261,218.40

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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.