Finding the Fourth Proportional to 86,320,466.80, 129,480,700.20 and 22,495,058.80
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Solution
The fourth proportional to 86,320,466.80, 129,480,700.20 and 22,495,058.80 is: 33,742,588.20
Step by Step Solution
- Step 1: Write the proportion equation
86,320,466.80 : 129,480,700.20 = 22,495,058.80 : x - Step 2: Convert to fraction form
86,320,466.80/129,480,700.20 = 22,495,058.80/x - Step 3: Cross multiply
86,320,466.80x = 129,480,700.20 × 22,495,058.80 - Step 4: Simplify right side
86,320,466.80x = 2,912,675,964,464,172 - Step 5: Solve for x
x = 2,912,675,964,464,172/86,320,466.80 - Step 6: Final answer
x = 33,742,588.20
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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.