Finding the Fourth Proportional to 81,579,186.07, 122,372,155.98 and 24,071,457.23
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Solution
The fourth proportional to 81,579,186.07, 122,372,155.98 and 24,071,457.23 is: 36,108,182.26
Step by Step Solution
- Step 1: Write the proportion equation
81,579,186.07 : 122,372,155.98 = 24,071,457.23 : x - Step 2: Convert to fraction form
81,579,186.07/122,372,155.98 = 24,071,457.23/x - Step 3: Cross multiply
81,579,186.07x = 122,372,155.98 × 24,071,457.23 - Step 4: Simplify right side
81,579,186.07x = 2,945,676,119,418,600 - Step 5: Solve for x
x = 2,945,676,119,418,600/81,579,186.07 - Step 6: Final answer
x = 36,108,182.26
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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.