Finding the Fourth Proportional to 307,848,727.99, 424,836,764.76 and 168,610,521.70
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Solution
The fourth proportional to 307,848,727.99, 424,836,764.76 and 168,610,521.70 is: 232,685,543.36
Step by Step Solution
- Step 1: Write the proportion equation
307,848,727.99 : 424,836,764.76 = 168,610,521.70 : x - Step 2: Convert to fraction form
307,848,727.99/424,836,764.76 = 168,610,521.70/x - Step 3: Cross multiply
307,848,727.99x = 424,836,764.76 × 168,610,521.70 - Step 4: Simplify right side
307,848,727.99x = 71,631,948,543,523,768 - Step 5: Solve for x
x = 71,631,948,543,523,768/307,848,727.99 - Step 6: Final answer
x = 232,685,543.36
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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.