Finding the Fourth Proportional to 97,060,635.70, 145,593,942.99 and 42,445,108.43
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Solution
The fourth proportional to 97,060,635.70, 145,593,942.99 and 42,445,108.43 is: 63,668,969.95
Step by Step Solution
- Step 1: Write the proportion equation
97,060,635.70 : 145,593,942.99 = 42,445,108.43 : x - Step 2: Convert to fraction form
97,060,635.70/145,593,942.99 = 42,445,108.43/x - Step 3: Cross multiply
97,060,635.70x = 145,593,942.99 × 42,445,108.43 - Step 4: Simplify right side
97,060,635.70x = 6,179,750,697,439,739 - Step 5: Solve for x
x = 6,179,750,697,439,739/97,060,635.70 - Step 6: Final answer
x = 63,668,969.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.