Finding the Fourth Proportional to 168,156,478.71, 252,213,023.03 and 53,152,646.31
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Solution
The fourth proportional to 168,156,478.71, 252,213,023.03 and 53,152,646.31 is: 79,722,111.87
Step by Step Solution
- Step 1: Write the proportion equation
168,156,478.71 : 252,213,023.03 = 53,152,646.31 : x - Step 2: Convert to fraction form
168,156,478.71/252,213,023.03 = 53,152,646.31/x - Step 3: Cross multiply
168,156,478.71x = 252,213,023.03 × 53,152,646.31 - Step 4: Simplify right side
168,156,478.71x = 13,405,789,607,623,712 - Step 5: Solve for x
x = 13,405,789,607,623,712/168,156,478.71 - Step 6: Final answer
x = 79,722,111.87
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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.