Finding the Fourth Proportional to 105,008,924.90, 157,466,148.15 and 40,291,220.90
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Solution
The fourth proportional to 105,008,924.90, 157,466,148.15 and 40,291,220.90 is: 60,418,705.99
Step by Step Solution
- Step 1: Write the proportion equation
105,008,924.90 : 157,466,148.15 = 40,291,220.90 : x - Step 2: Convert to fraction form
105,008,924.90/157,466,148.15 = 40,291,220.90/x - Step 3: Cross multiply
105,008,924.90x = 157,466,148.15 × 40,291,220.90 - Step 4: Simplify right side
105,008,924.90x = 6,344,503,359,383,776 - Step 5: Solve for x
x = 6,344,503,359,383,776/105,008,924.90 - Step 6: Final answer
x = 60,418,705.99
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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.