Finding the Fourth Proportional to 66,495,747.42, 91,763,262.18 and 37,127,579.94
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Solution
The fourth proportional to 66,495,747.42, 91,763,262.18 and 37,127,579.94 is: 51,235,574.97
Step by Step Solution
- Step 1: Write the proportion equation
66,495,747.42 : 91,763,262.18 = 37,127,579.94 : x - Step 2: Convert to fraction form
66,495,747.42/91,763,262.18 = 37,127,579.94/x - Step 3: Cross multiply
66,495,747.42x = 91,763,262.18 × 37,127,579.94 - Step 4: Simplify right side
66,495,747.42x = 3,406,947,852,143,128.50 - Step 5: Solve for x
x = 3,406,947,852,143,128.50/66,495,747.42 - Step 6: Final answer
x = 51,235,574.97
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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.