Finding the Fourth Proportional to 79,899,792.08, 110,261,711.34 and 43,230,363.08
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Solution
The fourth proportional to 79,899,792.08, 110,261,711.34 and 43,230,363.08 is: 59,657,900.11
Step by Step Solution
- Step 1: Write the proportion equation
79,899,792.08 : 110,261,711.34 = 43,230,363.08 : x - Step 2: Convert to fraction form
79,899,792.08/110,261,711.34 = 43,230,363.08/x - Step 3: Cross multiply
79,899,792.08x = 110,261,711.34 × 43,230,363.08 - Step 4: Simplify right side
79,899,792.08x = 4,766,653,814,499,045 - Step 5: Solve for x
x = 4,766,653,814,499,045/79,899,792.08 - Step 6: Final answer
x = 59,657,900.11
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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.