Finding the Fourth Proportional to 248,645,716.40, 372,968,574.60 and 84,829,028.15
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Solution
The fourth proportional to 248,645,716.40, 372,968,574.60 and 84,829,028.15 is: 127,243,542.23
Step by Step Solution
- Step 1: Write the proportion equation
248,645,716.40 : 372,968,574.60 = 84,829,028.15 : x - Step 2: Convert to fraction form
248,645,716.40/372,968,574.60 = 84,829,028.15/x - Step 3: Cross multiply
248,645,716.40x = 372,968,574.60 × 84,829,028.15 - Step 4: Simplify right side
248,645,716.40x = 31,638,561,713,808,780 - Step 5: Solve for x
x = 31,638,561,713,808,780/248,645,716.40 - Step 6: Final answer
x = 127,243,542.23
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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.