Finding the Fourth Proportional to 167,640,710.70, 251,748,000.45 and 91,113,206.70
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Solution
The fourth proportional to 167,640,710.70, 251,748,000.45 and 91,113,206.70 is: 136,825,759.72
Step by Step Solution
- Step 1: Write the proportion equation
167,640,710.70 : 251,748,000.45 = 91,113,206.70 : x - Step 2: Convert to fraction form
167,640,710.70/251,748,000.45 = 91,113,206.70/x - Step 3: Cross multiply
167,640,710.70x = 251,748,000.45 × 91,113,206.70 - Step 4: Simplify right side
167,640,710.70x = 22,937,567,601,312,544 - Step 5: Solve for x
x = 22,937,567,601,312,544/167,640,710.70 - Step 6: Final answer
x = 136,825,759.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.