Finding the Fourth Proportional to 145,536,280.20, 218,304,420.30 and 59,230,261.80
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Solution
The fourth proportional to 145,536,280.20, 218,304,420.30 and 59,230,261.80 is: 88,845,392.70
Step by Step Solution
- Step 1: Write the proportion equation
145,536,280.20 : 218,304,420.30 = 59,230,261.80 : x - Step 2: Convert to fraction form
145,536,280.20/218,304,420.30 = 59,230,261.80/x - Step 3: Cross multiply
145,536,280.20x = 218,304,420.30 × 59,230,261.80 - Step 4: Simplify right side
145,536,280.20x = 12,930,227,966,466,234 - Step 5: Solve for x
x = 12,930,227,966,466,234/145,536,280.20 - Step 6: Final answer
x = 88,845,392.70
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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.