Finding the Fourth Proportional to 104,526,051.60, 144,187,120.80 and 62,698,987.68
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Solution
The fourth proportional to 104,526,051.60, 144,187,120.80 and 62,698,987.68 is: 86,489,314.12
Step by Step Solution
- Step 1: Write the proportion equation
104,526,051.60 : 144,187,120.80 = 62,698,987.68 : x - Step 2: Convert to fraction form
104,526,051.60/144,187,120.80 = 62,698,987.68/x - Step 3: Cross multiply
104,526,051.60x = 144,187,120.80 × 62,698,987.68 - Step 4: Simplify right side
104,526,051.60x = 9,040,386,510,653,872 - Step 5: Solve for x
x = 9,040,386,510,653,872/104,526,051.60 - Step 6: Final answer
x = 86,489,314.12
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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.