Finding the Fourth Proportional to 175,617,386.96, 263,323,970.70 and 66,450,991.08
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Solution
The fourth proportional to 175,617,386.96, 263,323,970.70 and 66,450,991.08 is: 99,637,849.82
Step by Step Solution
- Step 1: Write the proportion equation
175,617,386.96 : 263,323,970.70 = 66,450,991.08 : x - Step 2: Convert to fraction form
175,617,386.96/263,323,970.70 = 66,450,991.08/x - Step 3: Cross multiply
175,617,386.96x = 263,323,970.70 × 66,450,991.08 - Step 4: Simplify right side
175,617,386.96x = 17,498,138,828,135,880 - Step 5: Solve for x
x = 17,498,138,828,135,880/175,617,386.96 - Step 6: Final answer
x = 99,637,849.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.