Finding the Fourth Proportional to 166,245,867.40, 249,408,122.70 and 52,778,475.40
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Solution
The fourth proportional to 166,245,867.40, 249,408,122.70 and 52,778,475.40 is: 79,180,196.62
Step by Step Solution
- Step 1: Write the proportion equation
166,245,867.40 : 249,408,122.70 = 52,778,475.40 : x - Step 2: Convert to fraction form
166,245,867.40/249,408,122.70 = 52,778,475.40/x - Step 3: Cross multiply
166,245,867.40x = 249,408,122.70 × 52,778,475.40 - Step 4: Simplify right side
166,245,867.40x = 13,163,380,468,482,130 - Step 5: Solve for x
x = 13,163,380,468,482,130/166,245,867.40 - Step 6: Final answer
x = 79,180,196.62
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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.