Finding the Fourth Proportional to 66,495,752.88, 91,763,269.77 and 37,127,585.31
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Solution
The fourth proportional to 66,495,752.88, 91,763,269.77 and 37,127,585.31 is: 51,235,582.41
Step by Step Solution
- Step 1: Write the proportion equation
66,495,752.88 : 91,763,269.77 = 37,127,585.31 : x - Step 2: Convert to fraction form
66,495,752.88/91,763,269.77 = 37,127,585.31/x - Step 3: Cross multiply
66,495,752.88x = 91,763,269.77 × 37,127,585.31 - Step 4: Simplify right side
66,495,752.88x = 3,406,948,626,710,219 - Step 5: Solve for x
x = 3,406,948,626,710,219/66,495,752.88 - Step 6: Final answer
x = 51,235,582.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.