Finding the Fourth Proportional to 256,231,141.08, 353,599,316.10 and 138,756,674.04
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Solution
The fourth proportional to 256,231,141.08, 353,599,316.10 and 138,756,674.04 is: 191,484,395.06
Step by Step Solution
- Step 1: Write the proportion equation
256,231,141.08 : 353,599,316.10 = 138,756,674.04 : x - Step 2: Convert to fraction form
256,231,141.08/353,599,316.10 = 138,756,674.04/x - Step 3: Cross multiply
256,231,141.08x = 353,599,316.10 × 138,756,674.04 - Step 4: Simplify right side
256,231,141.08x = 49,064,265,044,854,624 - Step 5: Solve for x
x = 49,064,265,044,854,624/256,231,141.08 - Step 6: Final answer
x = 191,484,395.06
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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.