Finding the Fourth Proportional to 128,010,657.98, 191,994,347.81 and 35,873,206.31
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Solution
The fourth proportional to 128,010,657.98, 191,994,347.81 and 35,873,206.31 is: 53,803,745.39
Step by Step Solution
- Step 1: Write the proportion equation
128,010,657.98 : 191,994,347.81 = 35,873,206.31 : x - Step 2: Convert to fraction form
128,010,657.98/191,994,347.81 = 35,873,206.31/x - Step 3: Cross multiply
128,010,657.98x = 191,994,347.81 × 35,873,206.31 - Step 4: Simplify right side
128,010,657.98x = 6,887,452,848,382,055 - Step 5: Solve for x
x = 6,887,452,848,382,055/128,010,657.98 - Step 6: Final answer
x = 53,803,745.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.