Finding the Fourth Proportional to 65,283,721.46, 97,922,038.40 and 19,841,973.02
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Solution
The fourth proportional to 65,283,721.46, 97,922,038.40 and 19,841,973.02 is: 29,761,882.45
Step by Step Solution
- Step 1: Write the proportion equation
65,283,721.46 : 97,922,038.40 = 19,841,973.02 : x - Step 2: Convert to fraction form
65,283,721.46/97,922,038.40 = 19,841,973.02/x - Step 3: Cross multiply
65,283,721.46x = 97,922,038.40 × 19,841,973.02 - Step 4: Simplify right side
65,283,721.46x = 1,942,966,443,996,204 - Step 5: Solve for x
x = 1,942,966,443,996,204/65,283,721.46 - Step 6: Final answer
x = 29,761,882.45
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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.