Finding the Fourth Proportional to 122,053,138.65, 168,436,368.51 and 66,298,541.49
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Solution
The fourth proportional to 122,053,138.65, 168,436,368.51 and 66,298,541.49 is: 91,493,637.03
Step by Step Solution
- Step 1: Write the proportion equation
122,053,138.65 : 168,436,368.51 = 66,298,541.49 : x - Step 2: Convert to fraction form
122,053,138.65/168,436,368.51 = 66,298,541.49/x - Step 3: Cross multiply
122,053,138.65x = 168,436,368.51 × 66,298,541.49 - Step 4: Simplify right side
122,053,138.65x = 11,167,085,566,085,164 - Step 5: Solve for x
x = 11,167,085,566,085,164/122,053,138.65 - Step 6: Final answer
x = 91,493,637.03
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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.