Finding the Fourth Proportional to 122,370,134.22, 168,865,612.92 and 66,614,394.06
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Solution
The fourth proportional to 122,370,134.22, 168,865,612.92 and 66,614,394.06 is: 91,925,048.17
Step by Step Solution
- Step 1: Write the proportion equation
122,370,134.22 : 168,865,612.92 = 66,614,394.06 : x - Step 2: Convert to fraction form
122,370,134.22/168,865,612.92 = 66,614,394.06/x - Step 3: Cross multiply
122,370,134.22x = 168,865,612.92 × 66,614,394.06 - Step 4: Simplify right side
122,370,134.22x = 11,248,880,482,236,306 - Step 5: Solve for x
x = 11,248,880,482,236,306/122,370,134.22 - Step 6: Final answer
x = 91,925,048.17
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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.