Finding the Fourth Proportional to 93,272,394.96, 128,649,258.99 and 80,860,295.16
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Solution
The fourth proportional to 93,272,394.96, 128,649,258.99 and 80,860,295.16 is: 111,529,430.10
Step by Step Solution
- Step 1: Write the proportion equation
93,272,394.96 : 128,649,258.99 = 80,860,295.16 : x - Step 2: Convert to fraction form
93,272,394.96/128,649,258.99 = 80,860,295.16/x - Step 3: Cross multiply
93,272,394.96x = 128,649,258.99 × 80,860,295.16 - Step 4: Simplify right side
93,272,394.96x = 10,402,617,054,046,682 - Step 5: Solve for x
x = 10,402,617,054,046,682/93,272,394.96 - Step 6: Final answer
x = 111,529,430.10
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1.5x scale
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.