Finding the Fourth Proportional to 171,955,646.19, 257,973,316.49 and 49,135,563.27
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Solution
The fourth proportional to 171,955,646.19, 257,973,316.49 and 49,135,563.27 is: 73,714,731.07
Step by Step Solution
- Step 1: Write the proportion equation
171,955,646.19 : 257,973,316.49 = 49,135,563.27 : x - Step 2: Convert to fraction form
171,955,646.19/257,973,316.49 = 49,135,563.27/x - Step 3: Cross multiply
171,955,646.19x = 257,973,316.49 × 49,135,563.27 - Step 4: Simplify right side
171,955,646.19x = 12,675,664,214,488,970 - Step 5: Solve for x
x = 12,675,664,214,488,970/171,955,646.19 - Step 6: Final answer
x = 73,714,731.07
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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.