Finding the Fourth Proportional to 250,797,988.26, 346,105,502.64 and 137,772,246.06
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Solution
The fourth proportional to 250,797,988.26, 346,105,502.64 and 137,772,246.06 is: 190,128,050.08
Step by Step Solution
- Step 1: Write the proportion equation
250,797,988.26 : 346,105,502.64 = 137,772,246.06 : x - Step 2: Convert to fraction form
250,797,988.26/346,105,502.64 = 137,772,246.06/x - Step 3: Cross multiply
250,797,988.26x = 346,105,502.64 × 137,772,246.06 - Step 4: Simplify right side
250,797,988.26x = 47,683,732,472,438,056 - Step 5: Solve for x
x = 47,683,732,472,438,056/250,797,988.26 - Step 6: Final answer
x = 190,128,050.08
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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.