Finding the Fourth Proportional to 91,581,842,441.84, 126,297,675,615.68 and 59,432,829,330.16
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Solution
The fourth proportional to 91,581,842,441.84, 126,297,675,615.68 and 59,432,829,330.16 is: 81,961,969,747.76
Step by Step Solution
- Step 1: Write the proportion equation
91,581,842,441.84 : 126,297,675,615.68 = 59,432,829,330.16 : x - Step 2: Convert to fraction form
91,581,842,441.84/126,297,675,615.68 = 59,432,829,330.16/x - Step 3: Cross multiply
91,581,842,441.84x = 126,297,675,615.68 × 59,432,829,330.16 - Step 4: Simplify right side
91,581,842,441.84x = 7,506,228,199,662,620,246,016 - Step 5: Solve for x
x = 7,506,228,199,662,620,246,016/91,581,842,441.84 - Step 6: Final answer
x = 81,961,969,747.76
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1.5x scale
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.