Finding the Fourth Proportional to 103,899,996.58, 155,874,248.70 and 30,125,319.70
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Solution
The fourth proportional to 103,899,996.58, 155,874,248.70 and 30,125,319.70 is: 45,195,011.83
Step by Step Solution
- Step 1: Write the proportion equation
103,899,996.58 : 155,874,248.70 = 30,125,319.70 : x - Step 2: Convert to fraction form
103,899,996.58/155,874,248.70 = 30,125,319.70/x - Step 3: Cross multiply
103,899,996.58x = 155,874,248.70 × 30,125,319.70 - Step 4: Simplify right side
103,899,996.58x = 4,695,761,575,084,809 - Step 5: Solve for x
x = 4,695,761,575,084,809/103,899,996.58 - Step 6: Final answer
x = 45,195,011.83
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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.