Finding the Fourth Proportional to 108,804,948.15, 163,207,422.23 and 76,493,335.35
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Solution
The fourth proportional to 108,804,948.15, 163,207,422.23 and 76,493,335.35 is: 114,740,003.03
Step by Step Solution
- Step 1: Write the proportion equation
108,804,948.15 : 163,207,422.23 = 76,493,335.35 : x - Step 2: Convert to fraction form
108,804,948.15/163,207,422.23 = 76,493,335.35/x - Step 3: Cross multiply
108,804,948.15x = 163,207,422.23 × 76,493,335.35 - Step 4: Simplify right side
108,804,948.15x = 12,484,280,080,248,434 - Step 5: Solve for x
x = 12,484,280,080,248,434/108,804,948.15 - Step 6: Final answer
x = 114,740,003.03
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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.