Finding the Fourth Proportional to 134,366,870.80, 201,550,306.20 and 57,676,848.40
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Solution
The fourth proportional to 134,366,870.80, 201,550,306.20 and 57,676,848.40 is: 86,515,272.60
Step by Step Solution
- Step 1: Write the proportion equation
134,366,870.80 : 201,550,306.20 = 57,676,848.40 : x - Step 2: Convert to fraction form
134,366,870.80/201,550,306.20 = 57,676,848.40/x - Step 3: Cross multiply
134,366,870.80x = 201,550,306.20 × 57,676,848.40 - Step 4: Simplify right side
134,366,870.80x = 11,624,786,455,670,980 - Step 5: Solve for x
x = 11,624,786,455,670,980/134,366,870.80 - Step 6: Final answer
x = 86,515,272.60
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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.