Finding the Fourth Proportional to 66,664,973.83, 92,001,237.47 and 37,294,554.73
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Solution
The fourth proportional to 66,664,973.83, 92,001,237.47 and 37,294,554.73 is: 51,468,484.70
Step by Step Solution
- Step 1: Write the proportion equation
66,664,973.83 : 92,001,237.47 = 37,294,554.73 : x - Step 2: Convert to fraction form
66,664,973.83/92,001,237.47 = 37,294,554.73/x - Step 3: Cross multiply
66,664,973.83x = 92,001,237.47 × 37,294,554.73 - Step 4: Simplify right side
66,664,973.83x = 3,431,145,185,866,169 - Step 5: Solve for x
x = 3,431,145,185,866,169/66,664,973.83 - Step 6: Final answer
x = 51,468,484.70
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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.