Finding the Fourth Proportional to 127,702,569.08, 176,229,538.58 and 68,965,228.55
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Solution
The fourth proportional to 127,702,569.08, 176,229,538.58 and 68,965,228.55 is: 95,172,011.76
Step by Step Solution
- Step 1: Write the proportion equation
127,702,569.08 : 176,229,538.58 = 68,965,228.55 : x - Step 2: Convert to fraction form
127,702,569.08/176,229,538.58 = 68,965,228.55/x - Step 3: Cross multiply
127,702,569.08x = 176,229,538.58 × 68,965,228.55 - Step 4: Simplify right side
127,702,569.08x = 12,153,710,406,043,730 - Step 5: Solve for x
x = 12,153,710,406,043,730/127,702,569.08 - Step 6: Final answer
x = 95,172,011.76
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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.