Finding the Fourth Proportional to 243,824,823.98, 336,478,259.33 and 132,315,664.63
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Solution
The fourth proportional to 243,824,823.98, 336,478,259.33 and 132,315,664.63 is: 182,595,618.40
Step by Step Solution
- Step 1: Write the proportion equation
243,824,823.98 : 336,478,259.33 = 132,315,664.63 : x - Step 2: Convert to fraction form
243,824,823.98/336,478,259.33 = 132,315,664.63/x - Step 3: Cross multiply
243,824,823.98x = 336,478,259.33 × 132,315,664.63 - Step 4: Simplify right side
243,824,823.98x = 44,521,344,516,563,352 - Step 5: Solve for x
x = 44,521,344,516,563,352/243,824,823.98 - Step 6: Final answer
x = 182,595,618.40
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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.