Finding the Fourth Proportional to 64,316,703.05, 96,454,321.81 and 21,175,634.87
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Solution
The fourth proportional to 64,316,703.05, 96,454,321.81 and 21,175,634.87 is: 31,756,626.25
Step by Step Solution
- Step 1: Write the proportion equation
64,316,703.05 : 96,454,321.81 = 21,175,634.87 : x - Step 2: Convert to fraction form
64,316,703.05/96,454,321.81 = 21,175,634.87/x - Step 3: Cross multiply
64,316,703.05x = 96,454,321.81 × 21,175,634.87 - Step 4: Simplify right side
64,316,703.05x = 2,042,481,500,282,037.75 - Step 5: Solve for x
x = 2,042,481,500,282,037.75/64,316,703.05 - Step 6: Final answer
x = 31,756,626.25
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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.