Finding the Fourth Proportional to 128,465,748.18, 192,667,768.03 and 59,312,108.81
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Solution
The fourth proportional to 128,465,748.18, 192,667,768.03 and 59,312,108.81 is: 88,953,917.94
Step by Step Solution
- Step 1: Write the proportion equation
128,465,748.18 : 192,667,768.03 = 59,312,108.81 : x - Step 2: Convert to fraction form
128,465,748.18/192,667,768.03 = 59,312,108.81/x - Step 3: Cross multiply
128,465,748.18x = 192,667,768.03 × 59,312,108.81 - Step 4: Simplify right side
128,465,748.18x = 11,427,531,621,575,200 - Step 5: Solve for x
x = 11,427,531,621,575,200/128,465,748.18 - Step 6: Final answer
x = 88,953,917.94
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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.