Finding the Fourth Proportional to 292,566,350.70, 438,849,526.05 and 120,166,890.30
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Solution
The fourth proportional to 292,566,350.70, 438,849,526.05 and 120,166,890.30 is: 180,250,335.45
Step by Step Solution
- Step 1: Write the proportion equation
292,566,350.70 : 438,849,526.05 = 120,166,890.30 : x - Step 2: Convert to fraction form
292,566,350.70/438,849,526.05 = 120,166,890.30/x - Step 3: Cross multiply
292,566,350.70x = 438,849,526.05 × 120,166,890.30 - Step 4: Simplify right side
292,566,350.70x = 52,735,182,855,057,344 - Step 5: Solve for x
x = 52,735,182,855,057,344/292,566,350.70 - Step 6: Final answer
x = 180,250,335.45
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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.