Finding the Fourth Proportional to 85,358,232.06, 117,781,822.56 and 47,676,753.94
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Solution
The fourth proportional to 85,358,232.06, 117,781,822.56 and 47,676,753.94 is: 65,786,917.53
Step by Step Solution
- Step 1: Write the proportion equation
85,358,232.06 : 117,781,822.56 = 47,676,753.94 : x - Step 2: Convert to fraction form
85,358,232.06/117,781,822.56 = 47,676,753.94/x - Step 3: Cross multiply
85,358,232.06x = 117,781,822.56 × 47,676,753.94 - Step 4: Simplify right side
85,358,232.06x = 5,615,454,973,246,044 - Step 5: Solve for x
x = 5,615,454,973,246,044/85,358,232.06 - Step 6: Final answer
x = 65,786,917.53
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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.