Finding the Fourth Proportional to 166,089,177.20, 249,132,453.60 and 43,267,257.20
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Solution
The fourth proportional to 166,089,177.20, 249,132,453.60 and 43,267,257.20 is: 64,900,543.96
Step by Step Solution
- Step 1: Write the proportion equation
166,089,177.20 : 249,132,453.60 = 43,267,257.20 : x - Step 2: Convert to fraction form
166,089,177.20/249,132,453.60 = 43,267,257.20/x - Step 3: Cross multiply
166,089,177.20x = 249,132,453.60 × 43,267,257.20 - Step 4: Simplify right side
166,089,177.20x = 10,779,277,946,778,266 - Step 5: Solve for x
x = 10,779,277,946,778,266/166,089,177.20 - Step 6: Final answer
x = 64,900,543.96
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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.