Finding the Fourth Proportional to 48,965,902.38, 67,572,943.05 and 26,938,929.26
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Solution
The fourth proportional to 48,965,902.38, 67,572,943.05 and 26,938,929.26 is: 37,175,721.16
Step by Step Solution
- Step 1: Write the proportion equation
48,965,902.38 : 67,572,943.05 = 26,938,929.26 : x - Step 2: Convert to fraction form
48,965,902.38/67,572,943.05 = 26,938,929.26/x - Step 3: Cross multiply
48,965,902.38x = 67,572,943.05 × 26,938,929.26 - Step 4: Simplify right side
48,965,902.38x = 1,820,342,732,983,911.75 - Step 5: Solve for x
x = 1,820,342,732,983,911.75/48,965,902.38 - Step 6: Final answer
x = 37,175,721.16
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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.