Finding the Fourth Proportional to 165,464,837.76, 247,874,368.47 and 128,902,029.06
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Solution
The fourth proportional to 165,464,837.76, 247,874,368.47 and 128,902,029.06 is: 193,101,504.10
Step by Step Solution
- Step 1: Write the proportion equation
165,464,837.76 : 247,874,368.47 = 128,902,029.06 : x - Step 2: Convert to fraction form
165,464,837.76/247,874,368.47 = 128,902,029.06/x - Step 3: Cross multiply
165,464,837.76x = 247,874,368.47 × 128,902,029.06 - Step 4: Simplify right side
165,464,837.76x = 31,951,509,047,749,088 - Step 5: Solve for x
x = 31,951,509,047,749,088/165,464,837.76 - Step 6: Final answer
x = 193,101,504.10
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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.