Finding the Fourth Proportional to 143,542,905.60, 215,364,124.80 and 62,821,804.80
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Solution
The fourth proportional to 143,542,905.60, 215,364,124.80 and 62,821,804.80 is: 94,254,487.55
Step by Step Solution
- Step 1: Write the proportion equation
143,542,905.60 : 215,364,124.80 = 62,821,804.80 : x - Step 2: Convert to fraction form
143,542,905.60/215,364,124.80 = 62,821,804.80/x - Step 3: Cross multiply
143,542,905.60x = 215,364,124.80 × 62,821,804.80 - Step 4: Simplify right side
143,542,905.60x = 13,529,563,009,108,440 - Step 5: Solve for x
x = 13,529,563,009,108,440/143,542,905.60 - Step 6: Final answer
x = 94,254,487.55
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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.