Home / 215,366,906.80-323,050,360.20-129,370,567.60

Finding the Fourth Proportional to 215,366,906.80, 323,050,360.20 and 129,370,567.60

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Solution

The fourth proportional to 215,366,906.80, 323,050,360.20 and 129,370,567.60 is: 194,055,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,366,906.80 : 323,050,360.20 = 129,370,567.60 : x
  2. Step 2: Convert to fraction form
    215,366,906.80/323,050,360.20 = 129,370,567.60/x
  3. Step 3: Cross multiply
    215,366,906.80x = 323,050,360.20 × 129,370,567.60
  4. Step 4: Simplify right side
    215,366,906.80x = 41,793,208,462,458,448
  5. Step 5: Solve for x
    x = 41,793,208,462,458,448/215,366,906.80
  6. Step 6: Final answer
    x = 194,055,851.40

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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.