Finding the Fourth Proportional to 83,720,786.31, 125,696,643.17 and 57,751,506.63
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Solution
The fourth proportional to 83,720,786.31, 125,696,643.17 and 57,751,506.63 is: 86,706,908.06
Step by Step Solution
- Step 1: Write the proportion equation
83,720,786.31 : 125,696,643.17 = 57,751,506.63 : x - Step 2: Convert to fraction form
83,720,786.31/125,696,643.17 = 57,751,506.63/x - Step 3: Cross multiply
83,720,786.31x = 125,696,643.17 × 57,751,506.63 - Step 4: Simplify right side
83,720,786.31x = 7,259,170,521,112,242 - Step 5: Solve for x
x = 7,259,170,521,112,242/83,720,786.31 - Step 6: Final answer
x = 86,706,908.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.