Finding the Fourth Proportional to 61,330,287.20, 91,995,430.80 and 57,551,151.20
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Solution
The fourth proportional to 61,330,287.20, 91,995,430.80 and 57,551,151.20 is: 86,326,726.80
Step by Step Solution
- Step 1: Write the proportion equation
61,330,287.20 : 91,995,430.80 = 57,551,151.20 : x - Step 2: Convert to fraction form
61,330,287.20/91,995,430.80 = 57,551,151.20/x - Step 3: Cross multiply
61,330,287.20x = 91,995,430.80 × 57,551,151.20 - Step 4: Simplify right side
61,330,287.20x = 5,294,442,947,679,937 - Step 5: Solve for x
x = 5,294,442,947,679,937/61,330,287.20 - Step 6: Final answer
x = 86,326,726.80
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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.