Finding the Fourth Proportional to 207,927,135.62, 286,928,079.40 and 113,823,078.02
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Solution
The fourth proportional to 207,927,135.62, 286,928,079.40 and 113,823,078.02 is: 157,069,624.75
Step by Step Solution
- Step 1: Write the proportion equation
207,927,135.62 : 286,928,079.40 = 113,823,078.02 : x - Step 2: Convert to fraction form
207,927,135.62/286,928,079.40 = 113,823,078.02/x - Step 3: Cross multiply
207,927,135.62x = 286,928,079.40 × 113,823,078.02 - Step 4: Simplify right side
207,927,135.62x = 32,659,037,166,240,312 - Step 5: Solve for x
x = 32,659,037,166,240,312/207,927,135.62 - Step 6: Final answer
x = 157,069,624.75
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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.