Finding the Fourth Proportional to 304,929,172.76, 420,808,487.82 and 165,708,902.84
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Solution
The fourth proportional to 304,929,172.76, 420,808,487.82 and 165,708,902.84 is: 228,681,671.19
Step by Step Solution
- Step 1: Write the proportion equation
304,929,172.76 : 420,808,487.82 = 165,708,902.84 : x - Step 2: Convert to fraction form
304,929,172.76/420,808,487.82 = 165,708,902.84/x - Step 3: Cross multiply
304,929,172.76x = 420,808,487.82 × 165,708,902.84 - Step 4: Simplify right side
304,929,172.76x = 69,731,712,822,411,704 - Step 5: Solve for x
x = 69,731,712,822,411,704/304,929,172.76 - Step 6: Final answer
x = 228,681,671.19
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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.