Finding the Fourth Proportional to 133,160,972.80, 199,746,988.80 and 42,281,996.80
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Solution
The fourth proportional to 133,160,972.80, 199,746,988.80 and 42,281,996.80 is: 63,424,750.99
Step by Step Solution
- Step 1: Write the proportion equation
133,160,972.80 : 199,746,988.80 = 42,281,996.80 : x - Step 2: Convert to fraction form
133,160,972.80/199,746,988.80 = 42,281,996.80/x - Step 3: Cross multiply
133,160,972.80x = 199,746,988.80 × 42,281,996.80 - Step 4: Simplify right side
133,160,972.80x = 8,445,701,541,251,236 - Step 5: Solve for x
x = 8,445,701,541,251,236/133,160,972.80 - Step 6: Final answer
x = 63,424,750.99
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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.