Finding the Fourth Proportional to 157,467,965.10, 236,201,947.65 and 147,902,027.10
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Solution
The fourth proportional to 157,467,965.10, 236,201,947.65 and 147,902,027.10 is: 221,853,040.65
Step by Step Solution
- Step 1: Write the proportion equation
157,467,965.10 : 236,201,947.65 = 147,902,027.10 : x - Step 2: Convert to fraction form
157,467,965.10/236,201,947.65 = 147,902,027.10/x - Step 3: Cross multiply
157,467,965.10x = 236,201,947.65 × 147,902,027.10 - Step 4: Simplify right side
157,467,965.10x = 34,934,746,862,403,080 - Step 5: Solve for x
x = 34,934,746,862,403,080/157,467,965.10 - Step 6: Final answer
x = 221,853,040.65
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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.