Finding the Fourth Proportional to 125,358,149.16, 187,938,327.65 and 79,202,731.89
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Solution
The fourth proportional to 125,358,149.16, 187,938,327.65 and 79,202,731.89 is: 118,741,614.14
Step by Step Solution
- Step 1: Write the proportion equation
125,358,149.16 : 187,938,327.65 = 79,202,731.89 : x - Step 2: Convert to fraction form
125,358,149.16/187,938,327.65 = 79,202,731.89/x - Step 3: Cross multiply
125,358,149.16x = 187,938,327.65 × 79,202,731.89 - Step 4: Simplify right side
125,358,149.16x = 14,885,228,976,717,924 - Step 5: Solve for x
x = 14,885,228,976,717,924/125,358,149.16 - Step 6: Final answer
x = 118,741,614.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.