Finding the Fourth Proportional to 124,155,994.08, 171,319,745.88 and 71,944,080.96
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Solution
The fourth proportional to 124,155,994.08, 171,319,745.88 and 71,944,080.96 is: 99,273,834.98
Step by Step Solution
- Step 1: Write the proportion equation
124,155,994.08 : 171,319,745.88 = 71,944,080.96 : x - Step 2: Convert to fraction form
124,155,994.08/171,319,745.88 = 71,944,080.96/x - Step 3: Cross multiply
124,155,994.08x = 171,319,745.88 × 71,944,080.96 - Step 4: Simplify right side
124,155,994.08x = 12,325,441,667,637,344 - Step 5: Solve for x
x = 12,325,441,667,637,344/124,155,994.08 - Step 6: Final answer
x = 99,273,834.98
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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.