Finding the Fourth Proportional to 250,996,985.70, 376,495,478.55 and 69,243,872.10
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Solution
The fourth proportional to 250,996,985.70, 376,495,478.55 and 69,243,872.10 is: 103,865,808.15
Step by Step Solution
- Step 1: Write the proportion equation
250,996,985.70 : 376,495,478.55 = 69,243,872.10 : x - Step 2: Convert to fraction form
250,996,985.70/376,495,478.55 = 69,243,872.10/x - Step 3: Cross multiply
250,996,985.70x = 376,495,478.55 × 69,243,872.10 - Step 4: Simplify right side
250,996,985.70x = 26,070,004,762,944,492 - Step 5: Solve for x
x = 26,070,004,762,944,492/250,996,985.70 - Step 6: Final answer
x = 103,865,808.15
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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.