Finding the Fourth Proportional to 205,249,652.27, 283,137,134.12 and 126,908,162.99
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Solution
The fourth proportional to 205,249,652.27, 283,137,134.12 and 126,908,162.99 is: 175,066,866.95
Step by Step Solution
- Step 1: Write the proportion equation
205,249,652.27 : 283,137,134.12 = 126,908,162.99 : x - Step 2: Convert to fraction form
205,249,652.27/283,137,134.12 = 126,908,162.99/x - Step 3: Cross multiply
205,249,652.27x = 283,137,134.12 × 126,908,162.99 - Step 4: Simplify right side
205,249,652.27x = 35,932,413,565,422,448 - Step 5: Solve for x
x = 35,932,413,565,422,448/205,249,652.27 - Step 6: Final answer
x = 175,066,866.95
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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.