Finding the Fourth Proportional to 98,881,201.80, 148,321,802.70 and 93,842,353.80
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Solution
The fourth proportional to 98,881,201.80, 148,321,802.70 and 93,842,353.80 is: 140,763,530.70
Step by Step Solution
- Step 1: Write the proportion equation
98,881,201.80 : 148,321,802.70 = 93,842,353.80 : x - Step 2: Convert to fraction form
98,881,201.80/148,321,802.70 = 93,842,353.80/x - Step 3: Cross multiply
98,881,201.80x = 148,321,802.70 × 93,842,353.80 - Step 4: Simplify right side
98,881,201.80x = 13,918,867,085,227,194 - Step 5: Solve for x
x = 13,918,867,085,227,194/98,881,201.80 - Step 6: Final answer
x = 140,763,530.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.