Home / 86,920,128,051.20-130,380,192,076.80-60,472,222,668.80

Finding the Fourth Proportional to 86,920,128,051.20, 130,380,192,076.80 and 60,472,222,668.80

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Solution

The fourth proportional to 86,920,128,051.20, 130,380,192,076.80 and 60,472,222,668.80 is: 90,708,334,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,051.20 : 130,380,192,076.80 = 60,472,222,668.80 : x
  2. Step 2: Convert to fraction form
    86,920,128,051.20/130,380,192,076.80 = 60,472,222,668.80/x
  3. Step 3: Cross multiply
    86,920,128,051.20x = 130,380,192,076.80 × 60,472,222,668.80
  4. Step 4: Simplify right side
    86,920,128,051.20x = 7,884,380,006,869,163,311,104
  5. Step 5: Solve for x
    x = 7,884,380,006,869,163,311,104/86,920,128,051.20
  6. Step 6: Final answer
    x = 90,708,334,003.20

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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.