Finding the Fourth Proportional to 209,615,248.92, 289,265,280.66 and 114,246,616.08
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Solution
The fourth proportional to 209,615,248.92, 289,265,280.66 and 114,246,616.08 is: 157,658,279.32
Step by Step Solution
- Step 1: Write the proportion equation
209,615,248.92 : 289,265,280.66 = 114,246,616.08 : x - Step 2: Convert to fraction form
209,615,248.92/289,265,280.66 = 114,246,616.08/x - Step 3: Cross multiply
209,615,248.92x = 289,265,280.66 × 114,246,616.08 - Step 4: Simplify right side
209,615,248.92x = 33,047,579,464,836,472 - Step 5: Solve for x
x = 33,047,579,464,836,472/209,615,248.92 - Step 6: Final answer
x = 157,658,279.32
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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.