Finding the Fourth Proportional to 292,410,004.20, 438,615,006.30 and 120,010,543.80
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Solution
The fourth proportional to 292,410,004.20, 438,615,006.30 and 120,010,543.80 is: 180,015,815.70
Step by Step Solution
- Step 1: Write the proportion equation
292,410,004.20 : 438,615,006.30 = 120,010,543.80 : x - Step 2: Convert to fraction form
292,410,004.20/438,615,006.30 = 120,010,543.80/x - Step 3: Cross multiply
292,410,004.20x = 438,615,006.30 × 120,010,543.80 - Step 4: Simplify right side
292,410,004.20x = 52,638,425,424,903,424 - Step 5: Solve for x
x = 52,638,425,424,903,424/292,410,004.20 - Step 6: Final answer
x = 180,015,815.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.