Finding the Fourth Proportional to 68,071,282.08, 93,938,968.80 and 37,131,588.96
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Solution
The fourth proportional to 68,071,282.08, 93,938,968.80 and 37,131,588.96 is: 51,241,919.80
Step by Step Solution
- Step 1: Write the proportion equation
68,071,282.08 : 93,938,968.80 = 37,131,588.96 : x - Step 2: Convert to fraction form
68,071,282.08/93,938,968.80 = 37,131,588.96/x - Step 3: Cross multiply
68,071,282.08x = 93,938,968.80 × 37,131,588.96 - Step 4: Simplify right side
68,071,282.08x = 3,488,103,176,807,864.50 - Step 5: Solve for x
x = 3,488,103,176,807,864.50/68,071,282.08 - Step 6: Final answer
x = 51,241,919.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.