Finding the Fourth Proportional to 124,163,705.04, 171,318,889.80 and 75,283,146.96
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Solution
The fourth proportional to 124,163,705.04, 171,318,889.80 and 75,283,146.96 is: 103,874,358.08
Step by Step Solution
- Step 1: Write the proportion equation
124,163,705.04 : 171,318,889.80 = 75,283,146.96 : x - Step 2: Convert to fraction form
124,163,705.04/171,318,889.80 = 75,283,146.96/x - Step 3: Cross multiply
124,163,705.04x = 171,318,889.80 × 75,283,146.96 - Step 4: Simplify right side
124,163,705.04x = 12,897,425,157,837,444 - Step 5: Solve for x
x = 12,897,425,157,837,444/124,163,705.04 - Step 6: Final answer
x = 103,874,358.08
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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.