Finding the Fourth Proportional to 97,115,412.90, 145,673,119.35 and 74,440,596.90
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Solution
The fourth proportional to 97,115,412.90, 145,673,119.35 and 74,440,596.90 is: 111,660,895.35
Step by Step Solution
- Step 1: Write the proportion equation
97,115,412.90 : 145,673,119.35 = 74,440,596.90 : x - Step 2: Convert to fraction form
97,115,412.90/145,673,119.35 = 74,440,596.90/x - Step 3: Cross multiply
97,115,412.90x = 145,673,119.35 × 74,440,596.90 - Step 4: Simplify right side
97,115,412.90x = 10,843,993,956,698,940 - Step 5: Solve for x
x = 10,843,993,956,698,940/97,115,412.90 - Step 6: Final answer
x = 111,660,895.35
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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.