Finding the Fourth Proportional to 62,218,955.20, 93,328,432.80 and 58,237,643.20
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Solution
The fourth proportional to 62,218,955.20, 93,328,432.80 and 58,237,643.20 is: 87,356,464.80
Step by Step Solution
- Step 1: Write the proportion equation
62,218,955.20 : 93,328,432.80 = 58,237,643.20 : x - Step 2: Convert to fraction form
62,218,955.20/93,328,432.80 = 58,237,643.20/x - Step 3: Cross multiply
62,218,955.20x = 93,328,432.80 × 58,237,643.20 - Step 4: Simplify right side
62,218,955.20x = 5,435,227,969,821,577 - Step 5: Solve for x
x = 5,435,227,969,821,577/62,218,955.20 - Step 6: Final answer
x = 87,356,464.80
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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.