Home / 120,348,032.40-180,522,048.60-112,216,985.10

Finding the Fourth Proportional to 120,348,032.40, 180,522,048.60 and 112,216,985.10

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Solution

The fourth proportional to 120,348,032.40, 180,522,048.60 and 112,216,985.10 is: 168,325,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,348,032.40 : 180,522,048.60 = 112,216,985.10 : x
  2. Step 2: Convert to fraction form
    120,348,032.40/180,522,048.60 = 112,216,985.10/x
  3. Step 3: Cross multiply
    120,348,032.40x = 180,522,048.60 × 112,216,985.10
  4. Step 4: Simplify right side
    120,348,032.40x = 20,257,640,037,967,676
  5. Step 5: Solve for x
    x = 20,257,640,037,967,676/120,348,032.40
  6. Step 6: Final answer
    x = 168,325,477.65

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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.