Finding the Fourth Proportional to 93,135,939.67, 128,533,240.29 and 51,319,954.41
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Solution
The fourth proportional to 93,135,939.67, 128,533,240.29 and 51,319,954.41 is: 70,824,646.80
Step by Step Solution
- Step 1: Write the proportion equation
93,135,939.67 : 128,533,240.29 = 51,319,954.41 : x - Step 2: Convert to fraction form
93,135,939.67/128,533,240.29 = 51,319,954.41/x - Step 3: Cross multiply
93,135,939.67x = 128,533,240.29 × 51,319,954.41 - Step 4: Simplify right side
93,135,939.67x = 6,596,320,031,852,375 - Step 5: Solve for x
x = 6,596,320,031,852,375/93,135,939.67 - Step 6: Final answer
x = 70,824,646.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.