Finding the Fourth Proportional to 81,046,903.30, 121,570,354.95 and 24,313,207.30
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Solution
The fourth proportional to 81,046,903.30, 121,570,354.95 and 24,313,207.30 is: 36,469,810.95
Step by Step Solution
- Step 1: Write the proportion equation
81,046,903.30 : 121,570,354.95 = 24,313,207.30 : x - Step 2: Convert to fraction form
81,046,903.30/121,570,354.95 = 24,313,207.30/x - Step 3: Cross multiply
81,046,903.30x = 121,570,354.95 × 24,313,207.30 - Step 4: Simplify right side
81,046,903.30x = 2,955,765,241,433,931.50 - Step 5: Solve for x
x = 2,955,765,241,433,931.50/81,046,903.30 - Step 6: Final answer
x = 36,469,810.95
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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.