Finding the Fourth Proportional to 93,103,546.14, 128,473,227.99 and 57,334,300.65
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Solution
The fourth proportional to 93,103,546.14, 128,473,227.99 and 57,334,300.65 is: 79,115,382.65
Step by Step Solution
- Step 1: Write the proportion equation
93,103,546.14 : 128,473,227.99 = 57,334,300.65 : x - Step 2: Convert to fraction form
93,103,546.14/128,473,227.99 = 57,334,300.65/x - Step 3: Cross multiply
93,103,546.14x = 128,473,227.99 × 57,334,300.65 - Step 4: Simplify right side
93,103,546.14x = 7,365,922,679,054,655 - Step 5: Solve for x
x = 7,365,922,679,054,655/93,103,546.14 - Step 6: Final answer
x = 79,115,382.65
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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.