Finding the Fourth Proportional to 293,422,899.70, 440,134,349.55 and 157,374,003.70
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Solution
The fourth proportional to 293,422,899.70, 440,134,349.55 and 157,374,003.70 is: 236,061,005.55
Step by Step Solution
- Step 1: Write the proportion equation
293,422,899.70 : 440,134,349.55 = 157,374,003.70 : x - Step 2: Convert to fraction form
293,422,899.70/440,134,349.55 = 157,374,003.70/x - Step 3: Cross multiply
293,422,899.70x = 440,134,349.55 × 157,374,003.70 - Step 4: Simplify right side
293,422,899.70x = 69,265,704,754,578,792 - Step 5: Solve for x
x = 69,265,704,754,578,792/293,422,899.70 - Step 6: Final answer
x = 236,061,005.55
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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.