Finding the Fourth Proportional to 70,942,440.08, 97,892,248.20 and 40,000,765.52
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Solution
The fourth proportional to 70,942,440.08, 97,892,248.20 and 40,000,765.52 is: 55,196,365.70
Step by Step Solution
- Step 1: Write the proportion equation
70,942,440.08 : 97,892,248.20 = 40,000,765.52 : x - Step 2: Convert to fraction form
70,942,440.08/97,892,248.20 = 40,000,765.52/x - Step 3: Cross multiply
70,942,440.08x = 97,892,248.20 × 40,000,765.52 - Step 4: Simplify right side
70,942,440.08x = 3,915,764,866,473,842.50 - Step 5: Solve for x
x = 3,915,764,866,473,842.50/70,942,440.08 - Step 6: Final answer
x = 55,196,365.70
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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.