Finding the Fourth Proportional to 134,006,902.80, 201,010,354.20 and 120,402,013.20
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Solution
The fourth proportional to 134,006,902.80, 201,010,354.20 and 120,402,013.20 is: 180,603,019.80
Step by Step Solution
- Step 1: Write the proportion equation
134,006,902.80 : 201,010,354.20 = 120,402,013.20 : x - Step 2: Convert to fraction form
134,006,902.80/201,010,354.20 = 120,402,013.20/x - Step 3: Cross multiply
134,006,902.80x = 201,010,354.20 × 120,402,013.20 - Step 4: Simplify right side
134,006,902.80x = 24,202,051,319,725,076 - Step 5: Solve for x
x = 24,202,051,319,725,076/134,006,902.80 - Step 6: Final answer
x = 180,603,019.80
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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.