Finding the Fourth Proportional to 149,982,058.53, 206,975,544.59 and 83,903,660.28
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Solution
The fourth proportional to 149,982,058.53, 206,975,544.59 and 83,903,660.28 is: 115,787,221.15
Step by Step Solution
- Step 1: Write the proportion equation
149,982,058.53 : 206,975,544.59 = 83,903,660.28 : x - Step 2: Convert to fraction form
149,982,058.53/206,975,544.59 = 83,903,660.28/x - Step 3: Cross multiply
149,982,058.53x = 206,975,544.59 × 83,903,660.28 - Step 4: Simplify right side
149,982,058.53x = 17,366,005,779,547,352 - Step 5: Solve for x
x = 17,366,005,779,547,352/149,982,058.53 - Step 6: Final answer
x = 115,787,221.15
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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.