Finding the Fourth Proportional to 171,828,578.21, 237,124,052.03 and 93,513,070.49
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Solution
The fourth proportional to 171,828,578.21, 237,124,052.03 and 93,513,070.49 is: 129,048,371.48
Step by Step Solution
- Step 1: Write the proportion equation
171,828,578.21 : 237,124,052.03 = 93,513,070.49 : x - Step 2: Convert to fraction form
171,828,578.21/237,124,052.03 = 93,513,070.49/x - Step 3: Cross multiply
171,828,578.21x = 237,124,052.03 × 93,513,070.49 - Step 4: Simplify right side
171,828,578.21x = 22,174,198,191,403,980 - Step 5: Solve for x
x = 22,174,198,191,403,980/171,828,578.21 - Step 6: Final answer
x = 129,048,371.48
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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.