Home / 100,885,880,383.68-139,222,526,733.86-55,160,186,769.86

Finding the Fourth Proportional to 100,885,880,383.68, 139,222,526,733.86 and 55,160,186,769.86

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Solution

The fourth proportional to 100,885,880,383.68, 139,222,526,733.86 and 55,160,186,769.86 is: 76,121,064,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,885,880,383.68 : 139,222,526,733.86 = 55,160,186,769.86 : x
  2. Step 2: Convert to fraction form
    100,885,880,383.68/139,222,526,733.86 = 55,160,186,769.86/x
  3. Step 3: Cross multiply
    100,885,880,383.68x = 139,222,526,733.86 × 55,160,186,769.86
  4. Step 4: Simplify right side
    100,885,880,383.68x = 7,679,540,577,211,544,240,128
  5. Step 5: Solve for x
    x = 7,679,540,577,211,544,240,128/100,885,880,383.68
  6. Step 6: Final answer
    x = 76,121,064,196.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.