Finding the Fourth Proportional to 50,564,695.10, 69,753,572.16 and 30,713,177.84
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Solution
The fourth proportional to 50,564,695.10, 69,753,572.16 and 30,713,177.84 is: 42,368,570.85
Step by Step Solution
- Step 1: Write the proportion equation
50,564,695.10 : 69,753,572.16 = 30,713,177.84 : x - Step 2: Convert to fraction form
50,564,695.10/69,753,572.16 = 30,713,177.84/x - Step 3: Cross multiply
50,564,695.10x = 69,753,572.16 × 30,713,177.84 - Step 4: Simplify right side
50,564,695.10x = 2,142,353,866,725,352.75 - Step 5: Solve for x
x = 2,142,353,866,725,352.75/50,564,695.10 - Step 6: Final answer
x = 42,368,570.85
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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.