Finding the Fourth Proportional to 87,548,925.74, 120,815,410.14 and 47,854,675.26
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Solution
The fourth proportional to 87,548,925.74, 120,815,410.14 and 47,854,675.26 is: 66,038,299.95
Step by Step Solution
- Step 1: Write the proportion equation
87,548,925.74 : 120,815,410.14 = 47,854,675.26 : x - Step 2: Convert to fraction form
87,548,925.74/120,815,410.14 = 47,854,675.26/x - Step 3: Cross multiply
87,548,925.74x = 120,815,410.14 × 47,854,675.26 - Step 4: Simplify right side
87,548,925.74x = 5,781,582,218,653,411 - Step 5: Solve for x
x = 5,781,582,218,653,411/87,548,925.74 - Step 6: Final answer
x = 66,038,299.95
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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.