Finding the Fourth Proportional to 76,913,482.12, 115,333,219.14 and 25,759,727.08
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Solution
The fourth proportional to 76,913,482.12, 115,333,219.14 and 25,759,727.08 is: 38,627,197.29
Step by Step Solution
- Step 1: Write the proportion equation
76,913,482.12 : 115,333,219.14 = 25,759,727.08 : x - Step 2: Convert to fraction form
76,913,482.12/115,333,219.14 = 25,759,727.08/x - Step 3: Cross multiply
76,913,482.12x = 115,333,219.14 × 25,759,727.08 - Step 4: Simplify right side
76,913,482.12x = 2,970,952,248,304,232 - Step 5: Solve for x
x = 2,970,952,248,304,232/76,913,482.12 - Step 6: Final answer
x = 38,627,197.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.