Finding the Fourth Proportional to 93,175,408.80, 139,763,113.20 and 87,506,704.80
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Solution
The fourth proportional to 93,175,408.80, 139,763,113.20 and 87,506,704.80 is: 131,260,057.20
Step by Step Solution
- Step 1: Write the proportion equation
93,175,408.80 : 139,763,113.20 = 87,506,704.80 : x - Step 2: Convert to fraction form
93,175,408.80/139,763,113.20 = 87,506,704.80/x - Step 3: Cross multiply
93,175,408.80x = 139,763,113.20 × 87,506,704.80 - Step 4: Simplify right side
93,175,408.80x = 12,230,209,488,721,382 - Step 5: Solve for x
x = 12,230,209,488,721,382/93,175,408.80 - Step 6: Final answer
x = 131,260,057.20
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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.