Finding the Fourth Proportional to 61,157,214.86, 84,395,864.99 and 33,278,974.24
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Solution
The fourth proportional to 61,157,214.86, 84,395,864.99 and 33,278,974.24 is: 45,924,390.50
Step by Step Solution
- Step 1: Write the proportion equation
61,157,214.86 : 84,395,864.99 = 33,278,974.24 : x - Step 2: Convert to fraction form
61,157,214.86/84,395,864.99 = 33,278,974.24/x - Step 3: Cross multiply
61,157,214.86x = 84,395,864.99 × 33,278,974.24 - Step 4: Simplify right side
61,157,214.86x = 2,808,607,816,964,727.50 - Step 5: Solve for x
x = 2,808,607,816,964,727.50/61,157,214.86 - Step 6: Final answer
x = 45,924,390.50
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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.