Finding the Fourth Proportional to 157,450,298.70, 236,175,448.05 and 88,575,545.10
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Solution
The fourth proportional to 157,450,298.70, 236,175,448.05 and 88,575,545.10 is: 132,863,317.65
Step by Step Solution
- Step 1: Write the proportion equation
157,450,298.70 : 236,175,448.05 = 88,575,545.10 : x - Step 2: Convert to fraction form
157,450,298.70/236,175,448.05 = 88,575,545.10/x - Step 3: Cross multiply
157,450,298.70x = 236,175,448.05 × 88,575,545.10 - Step 4: Simplify right side
157,450,298.70x = 20,919,369,050,265,480 - Step 5: Solve for x
x = 20,919,369,050,265,480/157,450,298.70 - Step 6: Final answer
x = 132,863,317.65
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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.