Finding the Fourth Proportional to 309,824,101.41, 427,564,927.07 and 168,703,058.31
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Solution
The fourth proportional to 309,824,101.41, 427,564,927.07 and 168,703,058.31 is: 232,814,395.31
Step by Step Solution
- Step 1: Write the proportion equation
309,824,101.41 : 427,564,927.07 = 168,703,058.31 : x - Step 2: Convert to fraction form
309,824,101.41/427,564,927.07 = 168,703,058.31/x - Step 3: Cross multiply
309,824,101.41x = 427,564,927.07 × 168,703,058.31 - Step 4: Simplify right side
309,824,101.41x = 72,131,510,822,801,104 - Step 5: Solve for x
x = 72,131,510,822,801,104/309,824,101.41 - Step 6: Final answer
x = 232,814,395.31
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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.