Finding the Fourth Proportional to 212,144,107.12, 292,756,746.72 and 118,056,644.30
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Solution
The fourth proportional to 212,144,107.12, 292,756,746.72 and 118,056,644.30 is: 162,916,988.76
Step by Step Solution
- Step 1: Write the proportion equation
212,144,107.12 : 292,756,746.72 = 118,056,644.30 : x - Step 2: Convert to fraction form
212,144,107.12/292,756,746.72 = 118,056,644.30/x - Step 3: Cross multiply
212,144,107.12x = 292,756,746.72 × 118,056,644.30 - Step 4: Simplify right side
212,144,107.12x = 34,561,879,115,122,832 - Step 5: Solve for x
x = 34,561,879,115,122,832/212,144,107.12 - Step 6: Final answer
x = 162,916,988.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.