Finding the Fourth Proportional to 42,750,246.80, 64,165,459.80 and 22,569,971.60
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Solution
The fourth proportional to 42,750,246.80, 64,165,459.80 and 22,569,971.60 is: 33,876,122.68
Step by Step Solution
- Step 1: Write the proportion equation
42,750,246.80 : 64,165,459.80 = 22,569,971.60 : x - Step 2: Convert to fraction form
42,750,246.80/64,165,459.80 = 22,569,971.60/x - Step 3: Cross multiply
42,750,246.80x = 64,165,459.80 × 22,569,971.60 - Step 4: Simplify right side
42,750,246.80x = 1,448,212,605,386,941.75 - Step 5: Solve for x
x = 1,448,212,605,386,941.75/42,750,246.80 - Step 6: Final answer
x = 33,876,122.68
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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.