Finding the Fourth Proportional to 97,025,909.40, 145,538,864.10 and 89,089,723.80
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Solution
The fourth proportional to 97,025,909.40, 145,538,864.10 and 89,089,723.80 is: 133,634,585.70
Step by Step Solution
- Step 1: Write the proportion equation
97,025,909.40 : 145,538,864.10 = 89,089,723.80 : x - Step 2: Convert to fraction form
97,025,909.40/145,538,864.10 = 89,089,723.80/x - Step 3: Cross multiply
97,025,909.40x = 145,538,864.10 × 89,089,723.80 - Step 4: Simplify right side
97,025,909.40x = 12,966,017,204,834,734 - Step 5: Solve for x
x = 12,966,017,204,834,734/97,025,909.40 - Step 6: Final answer
x = 133,634,585.70
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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.