Finding the Fourth Proportional to 160,498,896.21, 221,488,508.88 and 97,774,990.83
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Solution
The fourth proportional to 160,498,896.21, 221,488,508.88 and 97,774,990.83 is: 134,929,506.91
Step by Step Solution
- Step 1: Write the proportion equation
160,498,896.21 : 221,488,508.88 = 97,774,990.83 : x - Step 2: Convert to fraction form
160,498,896.21/221,488,508.88 = 97,774,990.83/x - Step 3: Cross multiply
160,498,896.21x = 221,488,508.88 × 97,774,990.83 - Step 4: Simplify right side
160,498,896.21x = 21,656,036,924,692,372 - Step 5: Solve for x
x = 21,656,036,924,692,372/160,498,896.21 - Step 6: Final answer
x = 134,929,506.91
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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.