Finding the Fourth Proportional to 75,873,159.56, 104,693,815.74 and 42,378,511.40
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Solution
The fourth proportional to 75,873,159.56, 104,693,815.74 and 42,378,511.40 is: 58,476,121.06
Step by Step Solution
- Step 1: Write the proportion equation
75,873,159.56 : 104,693,815.74 = 42,378,511.40 : x - Step 2: Convert to fraction form
75,873,159.56/104,693,815.74 = 42,378,511.40/x - Step 3: Cross multiply
75,873,159.56x = 104,693,815.74 × 42,378,511.40 - Step 4: Simplify right side
75,873,159.56x = 4,436,768,063,847,089 - Step 5: Solve for x
x = 4,436,768,063,847,089/75,873,159.56 - Step 6: Final answer
x = 58,476,121.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.