Finding the Fourth Proportional to 159,495,478.36, 239,239,774.34 and 44,476,959.32
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Solution
The fourth proportional to 159,495,478.36, 239,239,774.34 and 44,476,959.32 is: 66,714,478.81
Step by Step Solution
- Step 1: Write the proportion equation
159,495,478.36 : 239,239,774.34 = 44,476,959.32 : x - Step 2: Convert to fraction form
159,495,478.36/239,239,774.34 = 44,476,959.32/x - Step 3: Cross multiply
159,495,478.36x = 239,239,774.34 × 44,476,959.32 - Step 4: Simplify right side
159,495,478.36x = 10,640,657,711,046,160 - Step 5: Solve for x
x = 10,640,657,711,046,160/159,495,478.36 - Step 6: Final answer
x = 66,714,478.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.