Finding the Fourth Proportional to 101,033,918.70, 151,550,878.05 and 68,748,877.95
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Solution
The fourth proportional to 101,033,918.70, 151,550,878.05 and 68,748,877.95 is: 103,123,316.93
Step by Step Solution
- Step 1: Write the proportion equation
101,033,918.70 : 151,550,878.05 = 68,748,877.95 : x - Step 2: Convert to fraction form
101,033,918.70/151,550,878.05 = 68,748,877.95/x - Step 3: Cross multiply
101,033,918.70x = 151,550,878.05 × 68,748,877.95 - Step 4: Simplify right side
101,033,918.70x = 10,418,952,818,274,786 - Step 5: Solve for x
x = 10,418,952,818,274,786/101,033,918.70 - Step 6: Final answer
x = 103,123,316.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.