Finding the Fourth Proportional to 155,229,589.80, 232,844,384.70 and 147,671,317.80
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Solution
The fourth proportional to 155,229,589.80, 232,844,384.70 and 147,671,317.80 is: 221,506,976.70
Step by Step Solution
- Step 1: Write the proportion equation
155,229,589.80 : 232,844,384.70 = 147,671,317.80 : x - Step 2: Convert to fraction form
155,229,589.80/232,844,384.70 = 147,671,317.80/x - Step 3: Cross multiply
155,229,589.80x = 232,844,384.70 × 147,671,317.80 - Step 4: Simplify right side
155,229,589.80x = 34,384,437,130,979,160 - Step 5: Solve for x
x = 34,384,437,130,979,160/155,229,589.80 - Step 6: Final answer
x = 221,506,976.70
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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.