Finding the Fourth Proportional to 76,975,420.18, 106,225,233.28 and 41,692,347.50
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Solution
The fourth proportional to 76,975,420.18, 106,225,233.28 and 41,692,347.50 is: 57,534,981.02
Step by Step Solution
- Step 1: Write the proportion equation
76,975,420.18 : 106,225,233.28 = 41,692,347.50 : x - Step 2: Convert to fraction form
76,975,420.18/106,225,233.28 = 41,692,347.50/x - Step 3: Cross multiply
76,975,420.18x = 106,225,233.28 × 41,692,347.50 - Step 4: Simplify right side
76,975,420.18x = 4,428,779,339,178,325 - Step 5: Solve for x
x = 4,428,779,339,178,325/76,975,420.18 - Step 6: Final answer
x = 57,534,981.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.