Finding the Fourth Proportional to 89,186,579.80, 133,779,869.70 and 48,875,795.80
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Solution
The fourth proportional to 89,186,579.80, 133,779,869.70 and 48,875,795.80 is: 73,313,693.70
Step by Step Solution
- Step 1: Write the proportion equation
89,186,579.80 : 133,779,869.70 = 48,875,795.80 : x - Step 2: Convert to fraction form
89,186,579.80/133,779,869.70 = 48,875,795.80/x - Step 3: Cross multiply
89,186,579.80x = 133,779,869.70 × 48,875,795.80 - Step 4: Simplify right side
89,186,579.80x = 6,538,597,593,607,807 - Step 5: Solve for x
x = 6,538,597,593,607,807/89,186,579.80 - Step 6: Final answer
x = 73,313,693.70
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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.