Finding the Fourth Proportional to 279,785,101.80, 419,677,652.70 and 88,308,877.80
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Solution
The fourth proportional to 279,785,101.80, 419,677,652.70 and 88,308,877.80 is: 132,463,316.70
Step by Step Solution
- Step 1: Write the proportion equation
279,785,101.80 : 419,677,652.70 = 88,308,877.80 : x - Step 2: Convert to fraction form
279,785,101.80/419,677,652.70 = 88,308,877.80/x - Step 3: Cross multiply
279,785,101.80x = 419,677,652.70 × 88,308,877.80 - Step 4: Simplify right side
279,785,101.80x = 37,061,262,547,675,136 - Step 5: Solve for x
x = 37,061,262,547,675,136/279,785,101.80 - Step 6: Final answer
x = 132,463,316.70
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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.