Finding the Fourth Proportional to 83,684,028.10, 125,527,294.40 and 31,871,492.26
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Solution
The fourth proportional to 83,684,028.10, 125,527,294.40 and 31,871,492.26 is: 47,807,715.32
Step by Step Solution
- Step 1: Write the proportion equation
83,684,028.10 : 125,527,294.40 = 31,871,492.26 : x - Step 2: Convert to fraction form
83,684,028.10/125,527,294.40 = 31,871,492.26/x - Step 3: Cross multiply
83,684,028.10x = 125,527,294.40 × 31,871,492.26 - Step 4: Simplify right side
83,684,028.10x = 4,000,742,191,888,341.50 - Step 5: Solve for x
x = 4,000,742,191,888,341.50/83,684,028.10 - Step 6: Final answer
x = 47,807,715.32
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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.