Finding the Fourth Proportional to 65,625,918.49, 90,564,717.83 and 36,257,926.49
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Solution
The fourth proportional to 65,625,918.49, 90,564,717.83 and 36,257,926.49 is: 50,036,463.59
Step by Step Solution
- Step 1: Write the proportion equation
65,625,918.49 : 90,564,717.83 = 36,257,926.49 : x - Step 2: Convert to fraction form
65,625,918.49/90,564,717.83 = 36,257,926.49/x - Step 3: Cross multiply
65,625,918.49x = 90,564,717.83 × 36,257,926.49 - Step 4: Simplify right side
65,625,918.49x = 3,283,688,881,033,619 - Step 5: Solve for x
x = 3,283,688,881,033,619/65,625,918.49 - Step 6: Final answer
x = 50,036,463.59
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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.