Finding the Fourth Proportional to 181,446,051.30, 272,169,076.95 and 66,392,355.30
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Solution
The fourth proportional to 181,446,051.30, 272,169,076.95 and 66,392,355.30 is: 99,588,532.95
Step by Step Solution
- Step 1: Write the proportion equation
181,446,051.30 : 272,169,076.95 = 66,392,355.30 : x - Step 2: Convert to fraction form
181,446,051.30/272,169,076.95 = 66,392,355.30/x - Step 3: Cross multiply
181,446,051.30x = 272,169,076.95 × 66,392,355.30 - Step 4: Simplify right side
181,446,051.30x = 18,069,946,058,537,440 - Step 5: Solve for x
x = 18,069,946,058,537,440/181,446,051.30 - Step 6: Final answer
x = 99,588,532.95
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1.5x scale
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.