Finding the Fourth Proportional to 166,089,139.70, 249,132,397.35 and 43,267,219.70
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Solution
The fourth proportional to 166,089,139.70, 249,132,397.35 and 43,267,219.70 is: 64,900,487.71
Step by Step Solution
- Step 1: Write the proportion equation
166,089,139.70 : 249,132,397.35 = 43,267,219.70 : x - Step 2: Convert to fraction form
166,089,139.70/249,132,397.35 = 43,267,219.70/x - Step 3: Cross multiply
166,089,139.70x = 249,132,397.35 × 43,267,219.70 - Step 4: Simplify right side
166,089,139.70x = 10,779,266,170,530,148 - Step 5: Solve for x
x = 10,779,266,170,530,148/166,089,139.70 - Step 6: Final answer
x = 64,900,487.71
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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.