Finding the Fourth Proportional to 91,499,955.39, 126,163,259.53 and 68,254,726.05
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Solution
The fourth proportional to 91,499,955.39, 126,163,259.53 and 68,254,726.05 is: 94,111,944.43
Step by Step Solution
- Step 1: Write the proportion equation
91,499,955.39 : 126,163,259.53 = 68,254,726.05 : x - Step 2: Convert to fraction form
91,499,955.39/126,163,259.53 = 68,254,726.05/x - Step 3: Cross multiply
91,499,955.39x = 126,163,259.53 × 68,254,726.05 - Step 4: Simplify right side
91,499,955.39x = 8,611,238,716,795,201 - Step 5: Solve for x
x = 8,611,238,716,795,201/91,499,955.39 - Step 6: Final answer
x = 94,111,944.43
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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.