Finding the Fourth Proportional to 68,793,342.73, 94,937,432.47 and 39,430,341.74
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Solution
The fourth proportional to 68,793,342.73, 94,937,432.47 and 39,430,341.74 is: 54,415,373.03
Step by Step Solution
- Step 1: Write the proportion equation
68,793,342.73 : 94,937,432.47 = 39,430,341.74 : x - Step 2: Convert to fraction form
68,793,342.73/94,937,432.47 = 39,430,341.74/x - Step 3: Cross multiply
68,793,342.73x = 94,937,432.47 × 39,430,341.74 - Step 4: Simplify right side
68,793,342.73x = 3,743,415,406,349,040 - Step 5: Solve for x
x = 3,743,415,406,349,040/68,793,342.73 - Step 6: Final answer
x = 54,415,373.03
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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.