Finding the Fourth Proportional to 246,537,168.84, 340,214,781.56 and 140,688,687.06
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Solution
The fourth proportional to 246,537,168.84, 340,214,781.56 and 140,688,687.06 is: 194,146,672.33
Step by Step Solution
- Step 1: Write the proportion equation
246,537,168.84 : 340,214,781.56 = 140,688,687.06 : x - Step 2: Convert to fraction form
246,537,168.84/340,214,781.56 = 140,688,687.06/x - Step 3: Cross multiply
246,537,168.84x = 340,214,781.56 × 140,688,687.06 - Step 4: Simplify right side
246,537,168.84x = 47,864,370,935,377,656 - Step 5: Solve for x
x = 47,864,370,935,377,656/246,537,168.84 - Step 6: Final answer
x = 194,146,672.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.