Finding the Fourth Proportional to 81,313,366.86, 121,971,623.04 and 19,903,052.03
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Solution
The fourth proportional to 81,313,366.86, 121,971,623.04 and 19,903,052.03 is: 29,854,963.00
Step by Step Solution
- Step 1: Write the proportion equation
81,313,366.86 : 121,971,623.04 = 19,903,052.03 : x - Step 2: Convert to fraction form
81,313,366.86/121,971,623.04 = 19,903,052.03/x - Step 3: Cross multiply
81,313,366.86x = 121,971,623.04 × 19,903,052.03 - Step 4: Simplify right side
81,313,366.86x = 2,427,607,558,938,808.50 - Step 5: Solve for x
x = 2,427,607,558,938,808.50/81,313,366.86 - Step 6: Final answer
x = 29,854,963.00
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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.