Finding the Fourth Proportional to 90,463,554.05, 135,752,724.31 and 38,648,547.08
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Solution
The fourth proportional to 90,463,554.05, 135,752,724.31 and 38,648,547.08 is: 57,997,340.61
Step by Step Solution
- Step 1: Write the proportion equation
90,463,554.05 : 135,752,724.31 = 38,648,547.08 : x - Step 2: Convert to fraction form
90,463,554.05/135,752,724.31 = 38,648,547.08/x - Step 3: Cross multiply
90,463,554.05x = 135,752,724.31 × 38,648,547.08 - Step 4: Simplify right side
90,463,554.05x = 5,246,645,556,921,129 - Step 5: Solve for x
x = 5,246,645,556,921,129/90,463,554.05 - Step 6: Final answer
x = 57,997,340.61
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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.