Finding the Fourth Proportional to 61,534,621.80, 84,943,924.98 and 38,341,207.94
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Solution
The fourth proportional to 61,534,621.80, 84,943,924.98 and 38,341,207.94 is: 52,927,158.66
Step by Step Solution
- Step 1: Write the proportion equation
61,534,621.80 : 84,943,924.98 = 38,341,207.94 : x - Step 2: Convert to fraction form
61,534,621.80/84,943,924.98 = 38,341,207.94/x - Step 3: Cross multiply
61,534,621.80x = 84,943,924.98 × 38,341,207.94 - Step 4: Simplify right side
61,534,621.80x = 3,256,852,690,897,940.50 - Step 5: Solve for x
x = 3,256,852,690,897,940.50/61,534,621.80 - Step 6: Final answer
x = 52,927,158.66
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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.