Finding the Fourth Proportional to 137,177,275.36, 189,304,733.94 and 74,453,374.74
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Solution
The fourth proportional to 137,177,275.36, 189,304,733.94 and 74,453,374.74 is: 102,745,708.12
Step by Step Solution
- Step 1: Write the proportion equation
137,177,275.36 : 189,304,733.94 = 74,453,374.74 : x - Step 2: Convert to fraction form
137,177,275.36/189,304,733.94 = 74,453,374.74/x - Step 3: Cross multiply
137,177,275.36x = 189,304,733.94 × 74,453,374.74 - Step 4: Simplify right side
137,177,275.36x = 14,094,376,294,772,026 - Step 5: Solve for x
x = 14,094,376,294,772,026/137,177,275.36 - Step 6: Final answer
x = 102,745,708.12
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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.