Finding the Fourth Proportional to 124,124,058.08, 171,291,198.12 and 71,943,360.20
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Solution
The fourth proportional to 124,124,058.08, 171,291,198.12 and 71,943,360.20 is: 99,281,835.90
Step by Step Solution
- Step 1: Write the proportion equation
124,124,058.08 : 171,291,198.12 = 71,943,360.20 : x - Step 2: Convert to fraction form
124,124,058.08/171,291,198.12 = 71,943,360.20/x - Step 3: Cross multiply
124,124,058.08x = 171,291,198.12 × 71,943,360.20 - Step 4: Simplify right side
124,124,058.08x = 12,323,264,365,436,724 - Step 5: Solve for x
x = 12,323,264,365,436,724/124,124,058.08 - Step 6: Final answer
x = 99,281,835.90
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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.