Finding the Fourth Proportional to 137,240,605.51, 189,395,326.42 and 74,519,347.06
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Solution
The fourth proportional to 137,240,605.51, 189,395,326.42 and 74,519,347.06 is: 102,838,485.80
Step by Step Solution
- Step 1: Write the proportion equation
137,240,605.51 : 189,395,326.42 = 74,519,347.06 : x - Step 2: Convert to fraction form
137,240,605.51/189,395,326.42 = 74,519,347.06/x - Step 3: Cross multiply
137,240,605.51x = 189,395,326.42 × 74,519,347.06 - Step 4: Simplify right side
137,240,605.51x = 14,113,616,061,721,876 - Step 5: Solve for x
x = 14,113,616,061,721,876/137,240,605.51 - Step 6: Final answer
x = 102,838,485.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.