Finding the Fourth Proportional to 116,720,575.56, 161,094,395.70 and 67,856,347.08
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Solution
The fourth proportional to 116,720,575.56, 161,094,395.70 and 67,856,347.08 is: 93,653,386.94
Step by Step Solution
- Step 1: Write the proportion equation
116,720,575.56 : 161,094,395.70 = 67,856,347.08 : x - Step 2: Convert to fraction form
116,720,575.56/161,094,395.70 = 67,856,347.08/x - Step 3: Cross multiply
116,720,575.56x = 161,094,395.70 × 67,856,347.08 - Step 4: Simplify right side
116,720,575.56x = 10,931,277,227,262,058 - Step 5: Solve for x
x = 10,931,277,227,262,058/116,720,575.56 - Step 6: Final answer
x = 93,653,386.94
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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.