Finding the Fourth Proportional to 84,424,126.65, 116,346,068.06 and 67,659,823.95
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Solution
The fourth proportional to 84,424,126.65, 116,346,068.06 and 67,659,823.95 is: 93,242,948.36
Step by Step Solution
- Step 1: Write the proportion equation
84,424,126.65 : 116,346,068.06 = 67,659,823.95 : x - Step 2: Convert to fraction form
84,424,126.65/116,346,068.06 = 67,659,823.95/x - Step 3: Cross multiply
84,424,126.65x = 116,346,068.06 × 67,659,823.95 - Step 4: Simplify right side
84,424,126.65x = 7,871,954,481,876,020 - Step 5: Solve for x
x = 7,871,954,481,876,020/84,424,126.65 - Step 6: Final answer
x = 93,242,948.36
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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.