Finding the Fourth Proportional to 228,829,421.80, 343,244,132.70 and 106,007,501.80
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Solution
The fourth proportional to 228,829,421.80, 343,244,132.70 and 106,007,501.80 is: 159,011,252.70
Step by Step Solution
- Step 1: Write the proportion equation
228,829,421.80 : 343,244,132.70 = 106,007,501.80 : x - Step 2: Convert to fraction form
228,829,421.80/343,244,132.70 = 106,007,501.80/x - Step 3: Cross multiply
228,829,421.80x = 343,244,132.70 × 106,007,501.80 - Step 4: Simplify right side
228,829,421.80x = 36,386,453,015,034,688 - Step 5: Solve for x
x = 36,386,453,015,034,688/228,829,421.80 - Step 6: Final answer
x = 159,011,252.70
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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.