Finding the Fourth Proportional to 90,722,592,553.05, 136,083,888,829.58 and 59,376,926,914.65
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Solution
The fourth proportional to 90,722,592,553.05, 136,083,888,829.58 and 59,376,926,914.65 is: 89,065,390,371.98
Step by Step Solution
- Step 1: Write the proportion equation
90,722,592,553.05 : 136,083,888,829.58 = 59,376,926,914.65 : x - Step 2: Convert to fraction form
90,722,592,553.05/136,083,888,829.58 = 59,376,926,914.65/x - Step 3: Cross multiply
90,722,592,553.05x = 136,083,888,829.58 × 59,376,926,914.65 - Step 4: Simplify right side
90,722,592,553.05x = 8,080,243,121,295,327,232,000 - Step 5: Solve for x
x = 8,080,243,121,295,327,232,000/90,722,592,553.05 - Step 6: Final answer
x = 89,065,390,371.98
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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.