Finding the Fourth Proportional to 88,021,037.84, 121,462,936.74 and 48,859,730.12
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Solution
The fourth proportional to 88,021,037.84, 121,462,936.74 and 48,859,730.12 is: 67,423,044.02
Step by Step Solution
- Step 1: Write the proportion equation
88,021,037.84 : 121,462,936.74 = 48,859,730.12 : x - Step 2: Convert to fraction form
88,021,037.84/121,462,936.74 = 48,859,730.12/x - Step 3: Cross multiply
88,021,037.84x = 121,462,936.74 × 48,859,730.12 - Step 4: Simplify right side
88,021,037.84x = 5,934,646,308,699,032 - Step 5: Solve for x
x = 5,934,646,308,699,032/88,021,037.84 - Step 6: Final answer
x = 67,423,044.02
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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.