Finding the Fourth Proportional to 122,640,775.14, 184,001,020.72 and 81,865,964.41
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Solution
The fourth proportional to 122,640,775.14, 184,001,020.72 and 81,865,964.41 is: 122,825,552.89
Step by Step Solution
- Step 1: Write the proportion equation
122,640,775.14 : 184,001,020.72 = 81,865,964.41 : x - Step 2: Convert to fraction form
122,640,775.14/184,001,020.72 = 81,865,964.41/x - Step 3: Cross multiply
122,640,775.14x = 184,001,020.72 × 81,865,964.41 - Step 4: Simplify right side
122,640,775.14x = 15,063,421,013,667,192 - Step 5: Solve for x
x = 15,063,421,013,667,192/122,640,775.14 - Step 6: Final answer
x = 122,825,552.89
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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.