Finding the Fourth Proportional to 220,513,373.14, 330,779,188.16 and 65,067,178.05
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Solution
The fourth proportional to 220,513,373.14, 330,779,188.16 and 65,067,178.05 is: 97,603,460.62
Step by Step Solution
- Step 1: Write the proportion equation
220,513,373.14 : 330,779,188.16 = 65,067,178.05 : x - Step 2: Convert to fraction form
220,513,373.14/330,779,188.16 = 65,067,178.05/x - Step 3: Cross multiply
220,513,373.14x = 330,779,188.16 × 65,067,178.05 - Step 4: Simplify right side
220,513,373.14x = 21,522,868,331,241,172 - Step 5: Solve for x
x = 21,522,868,331,241,172/220,513,373.14 - Step 6: Final answer
x = 97,603,460.62
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1.5x scale
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.