Finding the Fourth Proportional to 81,266,656.46, 121,899,649.95 and 29,439,123.17
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Solution
The fourth proportional to 81,266,656.46, 121,899,649.95 and 29,439,123.17 is: 44,158,563.49
Step by Step Solution
- Step 1: Write the proportion equation
81,266,656.46 : 121,899,649.95 = 29,439,123.17 : x - Step 2: Convert to fraction form
81,266,656.46/121,899,649.95 = 29,439,123.17/x - Step 3: Cross multiply
81,266,656.46x = 121,899,649.95 × 29,439,123.17 - Step 4: Simplify right side
81,266,656.46x = 3,588,618,808,648,436 - Step 5: Solve for x
x = 3,588,618,808,648,436/81,266,656.46 - Step 6: Final answer
x = 44,158,563.49
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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.