Finding the Fourth Proportional to 125,938,654.71, 173,787,698.27 and 69,420,923.75
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Solution
The fourth proportional to 125,938,654.71, 173,787,698.27 and 69,420,923.75 is: 95,796,660.50
Step by Step Solution
- Step 1: Write the proportion equation
125,938,654.71 : 173,787,698.27 = 69,420,923.75 : x - Step 2: Convert to fraction form
125,938,654.71/173,787,698.27 = 69,420,923.75/x - Step 3: Cross multiply
125,938,654.71x = 173,787,698.27 × 69,420,923.75 - Step 4: Simplify right side
125,938,654.71x = 12,064,502,549,073,634 - Step 5: Solve for x
x = 12,064,502,549,073,634/125,938,654.71 - Step 6: Final answer
x = 95,796,660.50
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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.