Finding the Fourth Proportional to 251,808,830.70, 377,713,246.05 and 149,520,216.30
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Solution
The fourth proportional to 251,808,830.70, 377,713,246.05 and 149,520,216.30 is: 224,280,324.45
Step by Step Solution
- Step 1: Write the proportion equation
251,808,830.70 : 377,713,246.05 = 149,520,216.30 : x - Step 2: Convert to fraction form
251,808,830.70/377,713,246.05 = 149,520,216.30/x - Step 3: Cross multiply
251,808,830.70x = 377,713,246.05 × 149,520,216.30 - Step 4: Simplify right side
251,808,830.70x = 56,475,766,248,771,128 - Step 5: Solve for x
x = 56,475,766,248,771,128/251,808,830.70 - Step 6: Final answer
x = 224,280,324.45
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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.