Finding the Fourth Proportional to 307,830,765.98, 461,752,036.65 and 100,569,747.74
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Solution
The fourth proportional to 307,830,765.98, 461,752,036.65 and 100,569,747.74 is: 150,856,545.14
Step by Step Solution
- Step 1: Write the proportion equation
307,830,765.98 : 461,752,036.65 = 100,569,747.74 : x - Step 2: Convert to fraction form
307,830,765.98/461,752,036.65 = 100,569,747.74/x - Step 3: Cross multiply
307,830,765.98x = 461,752,036.65 × 100,569,747.74 - Step 4: Simplify right side
307,830,765.98x = 46,438,285,844,321,728 - Step 5: Solve for x
x = 46,438,285,844,321,728/307,830,765.98 - Step 6: Final answer
x = 150,856,545.14
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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.