Finding the Fourth Proportional to 172,850,392.13, 238,533,007.37 and 93,464,897.99
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Solution
The fourth proportional to 172,850,392.13, 238,533,007.37 and 93,464,897.99 is: 128,981,270.60
Step by Step Solution
- Step 1: Write the proportion equation
172,850,392.13 : 238,533,007.37 = 93,464,897.99 : x - Step 2: Convert to fraction form
172,850,392.13/238,533,007.37 = 93,464,897.99/x - Step 3: Cross multiply
172,850,392.13x = 238,533,007.37 × 93,464,897.99 - Step 4: Simplify right side
172,850,392.13x = 22,294,463,199,424,980 - Step 5: Solve for x
x = 22,294,463,199,424,980/172,850,392.13 - Step 6: Final answer
x = 128,981,270.60
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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.