Finding the Fourth Proportional to 110,031,201.80, 165,046,802.70 and 101,717,102.60
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Solution
The fourth proportional to 110,031,201.80, 165,046,802.70 and 101,717,102.60 is: 152,575,653.90
Step by Step Solution
- Step 1: Write the proportion equation
110,031,201.80 : 165,046,802.70 = 101,717,102.60 : x - Step 2: Convert to fraction form
110,031,201.80/165,046,802.70 = 101,717,102.60/x - Step 3: Cross multiply
110,031,201.80x = 165,046,802.70 × 101,717,102.60 - Step 4: Simplify right side
110,031,201.80x = 16,788,082,564,037,854 - Step 5: Solve for x
x = 16,788,082,564,037,854/110,031,201.80 - Step 6: Final answer
x = 152,575,653.90
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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.