Finding the Fourth Proportional to 93,043,875.54, 128,398,438.56 and 58,255,762.26
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Solution
The fourth proportional to 93,043,875.54, 128,398,438.56 and 58,255,762.26 is: 80,391,631.02
Step by Step Solution
- Step 1: Write the proportion equation
93,043,875.54 : 128,398,438.56 = 58,255,762.26 : x - Step 2: Convert to fraction form
93,043,875.54/128,398,438.56 = 58,255,762.26/x - Step 3: Cross multiply
93,043,875.54x = 128,398,438.56 × 58,255,762.26 - Step 4: Simplify right side
93,043,875.54x = 7,479,948,911,306,577 - Step 5: Solve for x
x = 7,479,948,911,306,577/93,043,875.54 - Step 6: Final answer
x = 80,391,631.02
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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.