Finding the Fourth Proportional to 175,837,187.34, 242,432,315.55 and 125,661,335.58
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Solution
The fourth proportional to 175,837,187.34, 242,432,315.55 and 125,661,335.58 is: 173,253,274.92
Step by Step Solution
- Step 1: Write the proportion equation
175,837,187.34 : 242,432,315.55 = 125,661,335.58 : x - Step 2: Convert to fraction form
175,837,187.34/242,432,315.55 = 125,661,335.58/x - Step 3: Cross multiply
175,837,187.34x = 242,432,315.55 × 125,661,335.58 - Step 4: Simplify right side
175,837,187.34x = 30,464,368,559,765,004 - Step 5: Solve for x
x = 30,464,368,559,765,004/175,837,187.34 - Step 6: Final answer
x = 173,253,274.92
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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.