Finding the Fourth Proportional to 172,074,772.79, 237,463,220.61 and 93,758,326.28
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Solution
The fourth proportional to 172,074,772.79, 237,463,220.61 and 93,758,326.28 is: 129,386,508.88
Step by Step Solution
- Step 1: Write the proportion equation
172,074,772.79 : 237,463,220.61 = 93,758,326.28 : x - Step 2: Convert to fraction form
172,074,772.79/237,463,220.61 = 93,758,326.28/x - Step 3: Cross multiply
172,074,772.79x = 237,463,220.61 × 93,758,326.28 - Step 4: Simplify right side
172,074,772.79x = 22,264,154,116,264,688 - Step 5: Solve for x
x = 22,264,154,116,264,688/172,074,772.79 - Step 6: Final answer
x = 129,386,508.88
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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.