Finding the Fourth Proportional to 105,868,574.12, 146,092,227.68 and 58,824,038.99
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Solution
The fourth proportional to 105,868,574.12, 146,092,227.68 and 58,824,038.99 is: 81,173,615.20
Step by Step Solution
- Step 1: Write the proportion equation
105,868,574.12 : 146,092,227.68 = 58,824,038.99 : x - Step 2: Convert to fraction form
105,868,574.12/146,092,227.68 = 58,824,038.99/x - Step 3: Cross multiply
105,868,574.12x = 146,092,227.68 × 58,824,038.99 - Step 4: Simplify right side
105,868,574.12x = 8,593,734,897,184,278 - Step 5: Solve for x
x = 8,593,734,897,184,278/105,868,574.12 - Step 6: Final answer
x = 81,173,615.20
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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.