Finding the Fourth Proportional to 219,249,896.94, 328,889,977.83 and 63,804,990.42
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Solution
The fourth proportional to 219,249,896.94, 328,889,977.83 and 63,804,990.42 is: 95,711,889.39
Step by Step Solution
- Step 1: Write the proportion equation
219,249,896.94 : 328,889,977.83 = 63,804,990.42 : x - Step 2: Convert to fraction form
219,249,896.94/328,889,977.83 = 63,804,990.42/x - Step 3: Cross multiply
219,249,896.94x = 328,889,977.83 × 63,804,990.42 - Step 4: Simplify right side
219,249,896.94x = 20,984,821,884,677,160 - Step 5: Solve for x
x = 20,984,821,884,677,160/219,249,896.94 - Step 6: Final answer
x = 95,711,889.39
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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.