Finding the Fourth Proportional to 143,176,665.09, 214,725,801.58 and 39,521,090.95
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Solution
The fourth proportional to 143,176,665.09, 214,725,801.58 and 39,521,090.95 is: 59,270,817.12
Step by Step Solution
- Step 1: Write the proportion equation
143,176,665.09 : 214,725,801.58 = 39,521,090.95 : x - Step 2: Convert to fraction form
143,176,665.09/214,725,801.58 = 39,521,090.95/x - Step 3: Cross multiply
143,176,665.09x = 214,725,801.58 × 39,521,090.95 - Step 4: Simplify right side
143,176,665.09x = 8,486,197,932,481,205 - Step 5: Solve for x
x = 8,486,197,932,481,205/143,176,665.09 - Step 6: Final answer
x = 59,270,817.12
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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.