Home / 90,782,208,520.40-136,173,312,780.60-48,987,987,669.20

Finding the Fourth Proportional to 90,782,208,520.40, 136,173,312,780.60 and 48,987,987,669.20

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Solution

The fourth proportional to 90,782,208,520.40, 136,173,312,780.60 and 48,987,987,669.20 is: 73,481,981,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,782,208,520.40 : 136,173,312,780.60 = 48,987,987,669.20 : x
  2. Step 2: Convert to fraction form
    90,782,208,520.40/136,173,312,780.60 = 48,987,987,669.20/x
  3. Step 3: Cross multiply
    90,782,208,520.40x = 136,173,312,780.60 × 48,987,987,669.20
  4. Step 4: Simplify right side
    90,782,208,520.40x = 6,670,856,567,370,147,692,544
  5. Step 5: Solve for x
    x = 6,670,856,567,370,147,692,544/90,782,208,520.40
  6. Step 6: Final answer
    x = 73,481,981,503.80

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Double scale
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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.