Finding the Fourth Proportional to 75,671,131.10, 113,506,698.14 and 18,163,402.27
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Solution
The fourth proportional to 75,671,131.10, 113,506,698.14 and 18,163,402.27 is: 27,245,103.76
Step by Step Solution
- Step 1: Write the proportion equation
75,671,131.10 : 113,506,698.14 = 18,163,402.27 : x - Step 2: Convert to fraction form
75,671,131.10/113,506,698.14 = 18,163,402.27/x - Step 3: Cross multiply
75,671,131.10x = 113,506,698.14 × 18,163,402.27 - Step 4: Simplify right side
75,671,131.10x = 2,061,667,818,701,689.25 - Step 5: Solve for x
x = 2,061,667,818,701,689.25/75,671,131.10 - Step 6: Final answer
x = 27,245,103.76
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1.5x scale
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.