Finding the Fourth Proportional to 99,635,072.88, 149,472,784.20 and 42,127,251.84
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Solution
The fourth proportional to 99,635,072.88, 149,472,784.20 and 42,127,251.84 is: 63,199,408.01
Step by Step Solution
- Step 1: Write the proportion equation
99,635,072.88 : 149,472,784.20 = 42,127,251.84 : x - Step 2: Convert to fraction form
99,635,072.88/149,472,784.20 = 42,127,251.84/x - Step 3: Cross multiply
99,635,072.88x = 149,472,784.20 × 42,127,251.84 - Step 4: Simplify right side
99,635,072.88x = 6,296,877,623,219,373 - Step 5: Solve for x
x = 6,296,877,623,219,373/99,635,072.88 - Step 6: Final answer
x = 63,199,408.01
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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.