Finding the Fourth Proportional to 142,390,826.70, 213,573,798.45 and 46,652,714.70
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Solution
The fourth proportional to 142,390,826.70, 213,573,798.45 and 46,652,714.70 is: 69,974,995.70
Step by Step Solution
- Step 1: Write the proportion equation
142,390,826.70 : 213,573,798.45 = 46,652,714.70 : x - Step 2: Convert to fraction form
142,390,826.70/213,573,798.45 = 46,652,714.70/x - Step 3: Cross multiply
142,390,826.70x = 213,573,798.45 × 46,652,714.70 - Step 4: Simplify right side
142,390,826.70x = 9,963,797,486,483,152 - Step 5: Solve for x
x = 9,963,797,486,483,152/142,390,826.70 - Step 6: Final answer
x = 69,974,995.70
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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.