Finding the Fourth Proportional to 230,778,245.70, 346,167,368.55 and 69,220,181.70
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Solution
The fourth proportional to 230,778,245.70, 346,167,368.55 and 69,220,181.70 is: 103,830,272.55
Step by Step Solution
- Step 1: Write the proportion equation
230,778,245.70 : 346,167,368.55 = 69,220,181.70 : x - Step 2: Convert to fraction form
230,778,245.70/346,167,368.55 = 69,220,181.70/x - Step 3: Cross multiply
230,778,245.70x = 346,167,368.55 × 69,220,181.70 - Step 4: Simplify right side
230,778,245.70x = 23,961,768,149,641,868 - Step 5: Solve for x
x = 23,961,768,149,641,868/230,778,245.70 - Step 6: Final answer
x = 103,830,272.55
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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.