Finding the Fourth Proportional to 162,056,785.68, 223,638,371.82 and 88,717,927.68
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Solution
The fourth proportional to 162,056,785.68, 223,638,371.82 and 88,717,927.68 is: 122,430,744.35
Step by Step Solution
- Step 1: Write the proportion equation
162,056,785.68 : 223,638,371.82 = 88,717,927.68 : x - Step 2: Convert to fraction form
162,056,785.68/223,638,371.82 = 88,717,927.68/x - Step 3: Cross multiply
162,056,785.68x = 223,638,371.82 × 88,717,927.68 - Step 4: Simplify right side
162,056,785.68x = 19,840,732,897,599,712 - Step 5: Solve for x
x = 19,840,732,897,599,712/162,056,785.68 - Step 6: Final answer
x = 122,430,744.35
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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.