Finding the Fourth Proportional to 241,671,823.60, 361,657,429.80 and 221,264,489.20
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Solution
The fourth proportional to 241,671,823.60, 361,657,429.80 and 221,264,489.20 is: 331,118,229.99
Step by Step Solution
- Step 1: Write the proportion equation
241,671,823.60 : 361,657,429.80 = 221,264,489.20 : x - Step 2: Convert to fraction form
241,671,823.60/361,657,429.80 = 221,264,489.20/x - Step 3: Cross multiply
241,671,823.60x = 361,657,429.80 × 221,264,489.20 - Step 4: Simplify right side
241,671,823.60x = 80,021,946,470,081,856 - Step 5: Solve for x
x = 80,021,946,470,081,856/241,671,823.60 - Step 6: Final answer
x = 331,118,229.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.