Finding the Fourth Proportional to 133,057,711.80, 199,586,567.70 and 97,225,903.80
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Solution
The fourth proportional to 133,057,711.80, 199,586,567.70 and 97,225,903.80 is: 145,838,855.70
Step by Step Solution
- Step 1: Write the proportion equation
133,057,711.80 : 199,586,567.70 = 97,225,903.80 : x - Step 2: Convert to fraction form
133,057,711.80/199,586,567.70 = 97,225,903.80/x - Step 3: Cross multiply
133,057,711.80x = 199,586,567.70 × 97,225,903.80 - Step 4: Simplify right side
133,057,711.80x = 19,404,984,430,972,384 - Step 5: Solve for x
x = 19,404,984,430,972,384/133,057,711.80 - Step 6: Final answer
x = 145,838,855.70
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1.5x scale
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.