Finding the Fourth Proportional to 97,633,202.12, 134,724,913.16 and 57,933,890.76
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Solution
The fourth proportional to 97,633,202.12, 134,724,913.16 and 57,933,890.76 is: 79,943,484.72
Step by Step Solution
- Step 1: Write the proportion equation
97,633,202.12 : 134,724,913.16 = 57,933,890.76 : x - Step 2: Convert to fraction form
97,633,202.12/134,724,913.16 = 57,933,890.76/x - Step 3: Cross multiply
97,633,202.12x = 134,724,913.16 × 57,933,890.76 - Step 4: Simplify right side
97,633,202.12x = 7,805,138,401,661,926 - Step 5: Solve for x
x = 7,805,138,401,661,926/97,633,202.12 - Step 6: Final answer
x = 79,943,484.72
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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.