Finding the Fourth Proportional to 122,975,792.32, 169,710,202.44 and 67,224,293.68
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Solution
The fourth proportional to 122,975,792.32, 169,710,202.44 and 67,224,293.68 is: 92,771,498.15
Step by Step Solution
- Step 1: Write the proportion equation
122,975,792.32 : 169,710,202.44 = 67,224,293.68 : x - Step 2: Convert to fraction form
122,975,792.32/169,710,202.44 = 67,224,293.68/x - Step 3: Cross multiply
122,975,792.32x = 169,710,202.44 × 67,224,293.68 - Step 4: Simplify right side
122,975,792.32x = 11,408,648,489,318,814 - Step 5: Solve for x
x = 11,408,648,489,318,814/122,975,792.32 - Step 6: Final answer
x = 92,771,498.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.