Finding the Fourth Proportional to 93,153,172.32, 128,552,256.30 and 51,338,745.42
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Solution
The fourth proportional to 93,153,172.32, 128,552,256.30 and 51,338,745.42 is: 70,847,952.84
Step by Step Solution
- Step 1: Write the proportion equation
93,153,172.32 : 128,552,256.30 = 51,338,745.42 : x - Step 2: Convert to fraction form
93,153,172.32/128,552,256.30 = 51,338,745.42/x - Step 3: Cross multiply
93,153,172.32x = 128,552,256.30 × 51,338,745.42 - Step 4: Simplify right side
93,153,172.32x = 6,599,711,559,352,291 - Step 5: Solve for x
x = 6,599,711,559,352,291/93,153,172.32 - Step 6: Final answer
x = 70,847,952.84
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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.