Finding the Fourth Proportional to 76,873,655,266.20, 115,310,482,899.30 and 60,362,358,139.80
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Solution
The fourth proportional to 76,873,655,266.20, 115,310,482,899.30 and 60,362,358,139.80 is: 90,543,537,209.70
Step by Step Solution
- Step 1: Write the proportion equation
76,873,655,266.20 : 115,310,482,899.30 = 60,362,358,139.80 : x - Step 2: Convert to fraction form
76,873,655,266.20/115,310,482,899.30 = 60,362,358,139.80/x - Step 3: Cross multiply
76,873,655,266.20x = 115,310,482,899.30 × 60,362,358,139.80 - Step 4: Simplify right side
76,873,655,266.20x = 6,960,412,666,040,830,394,368 - Step 5: Solve for x
x = 6,960,412,666,040,830,394,368/76,873,655,266.20 - Step 6: Final answer
x = 90,543,537,209.70
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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.