Finding the Fourth Proportional to 155,137,058.04, 214,091,515.26 and 84,572,709.48
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Solution
The fourth proportional to 155,137,058.04, 214,091,515.26 and 84,572,709.48 is: 116,711,633.90
Step by Step Solution
- Step 1: Write the proportion equation
155,137,058.04 : 214,091,515.26 = 84,572,709.48 : x - Step 2: Convert to fraction form
155,137,058.04/214,091,515.26 = 84,572,709.48/x - Step 3: Cross multiply
155,137,058.04x = 214,091,515.26 × 84,572,709.48 - Step 4: Simplify right side
155,137,058.04x = 18,106,299,522,216,968 - Step 5: Solve for x
x = 18,106,299,522,216,968/155,137,058.04 - Step 6: Final answer
x = 116,711,633.90
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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.