Finding the Fourth Proportional to 122,927,694.08, 169,640,669.51 and 67,173,122.88
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Solution
The fourth proportional to 122,927,694.08, 169,640,669.51 and 67,173,122.88 is: 92,699,156.39
Step by Step Solution
- Step 1: Write the proportion equation
122,927,694.08 : 169,640,669.51 = 67,173,122.88 : x - Step 2: Convert to fraction form
122,927,694.08/169,640,669.51 = 67,173,122.88/x - Step 3: Cross multiply
122,927,694.08x = 169,640,669.51 × 67,173,122.88 - Step 4: Simplify right side
122,927,694.08x = 11,395,293,538,549,428 - Step 5: Solve for x
x = 11,395,293,538,549,428/122,927,694.08 - Step 6: Final answer
x = 92,699,156.39
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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.