Finding the Fourth Proportional to 122,376,690.24, 168,873,757.92 and 67,371,365.76
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Solution
The fourth proportional to 122,376,690.24, 168,873,757.92 and 67,371,365.76 is: 92,969,140.53
Step by Step Solution
- Step 1: Write the proportion equation
122,376,690.24 : 168,873,757.92 = 67,371,365.76 : x - Step 2: Convert to fraction form
122,376,690.24/168,873,757.92 = 67,371,365.76/x - Step 3: Cross multiply
122,376,690.24x = 168,873,757.92 × 67,371,365.76 - Step 4: Simplify right side
122,376,690.24x = 11,377,255,712,094,016 - Step 5: Solve for x
x = 11,377,255,712,094,016/122,376,690.24 - Step 6: Final answer
x = 92,969,140.53
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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.