Finding the Fourth Proportional to 112,331,408.10, 168,497,112.15 and 54,860,547.30
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Solution
The fourth proportional to 112,331,408.10, 168,497,112.15 and 54,860,547.30 is: 82,290,820.95
Step by Step Solution
- Step 1: Write the proportion equation
112,331,408.10 : 168,497,112.15 = 54,860,547.30 : x - Step 2: Convert to fraction form
112,331,408.10/168,497,112.15 = 54,860,547.30/x - Step 3: Cross multiply
112,331,408.10x = 168,497,112.15 × 54,860,547.30 - Step 4: Simplify right side
112,331,408.10x = 9,243,843,791,018,480 - Step 5: Solve for x
x = 9,243,843,791,018,480/112,331,408.10 - Step 6: Final answer
x = 82,290,820.95
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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.