Finding the Fourth Proportional to 150,563,790.94, 207,778,133.84 and 84,475,165.98
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Solution
The fourth proportional to 150,563,790.94, 207,778,133.84 and 84,475,165.98 is: 116,575,786.47
Step by Step Solution
- Step 1: Write the proportion equation
150,563,790.94 : 207,778,133.84 = 84,475,165.98 : x - Step 2: Convert to fraction form
150,563,790.94/207,778,133.84 = 84,475,165.98/x - Step 3: Cross multiply
150,563,790.94x = 207,778,133.84 × 84,475,165.98 - Step 4: Simplify right side
150,563,790.94x = 17,552,092,343,148,656 - Step 5: Solve for x
x = 17,552,092,343,148,656/150,563,790.94 - Step 6: Final answer
x = 116,575,786.47
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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.