Finding the Fourth Proportional to 294,168,677.68, 405,947,822.52 and 162,021,980.08
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Solution
The fourth proportional to 294,168,677.68, 405,947,822.52 and 162,021,980.08 is: 223,587,604.68
Step by Step Solution
- Step 1: Write the proportion equation
294,168,677.68 : 405,947,822.52 = 162,021,980.08 : x - Step 2: Convert to fraction form
294,168,677.68/405,947,822.52 = 162,021,980.08/x - Step 3: Cross multiply
294,168,677.68x = 405,947,822.52 × 162,021,980.08 - Step 4: Simplify right side
294,168,677.68x = 65,772,470,013,854,816 - Step 5: Solve for x
x = 65,772,470,013,854,816/294,168,677.68 - Step 6: Final answer
x = 223,587,604.68
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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.