Finding the Fourth Proportional to 68,852,836.05, 103,292,884.04 and 19,669,113.87
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Solution
The fourth proportional to 68,852,836.05, 103,292,884.04 and 19,669,113.87 is: 29,507,564.46
Step by Step Solution
- Step 1: Write the proportion equation
68,852,836.05 : 103,292,884.04 = 19,669,113.87 : x - Step 2: Convert to fraction form
68,852,836.05/103,292,884.04 = 19,669,113.87/x - Step 3: Cross multiply
68,852,836.05x = 103,292,884.04 × 19,669,113.87 - Step 4: Simplify right side
68,852,836.05x = 2,031,679,498,143,465.75 - Step 5: Solve for x
x = 2,031,679,498,143,465.75/68,852,836.05 - Step 6: Final answer
x = 29,507,564.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.