Finding the Fourth Proportional to 345,577,658.73, 518,735,364.81 and 148,938,115.65
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Solution
The fourth proportional to 345,577,658.73, 518,735,364.81 and 148,938,115.65 is: 223,566,153.09
Step by Step Solution
- Step 1: Write the proportion equation
345,577,658.73 : 518,735,364.81 = 148,938,115.65 : x - Step 2: Convert to fraction form
345,577,658.73/518,735,364.81 = 148,938,115.65/x - Step 3: Cross multiply
345,577,658.73x = 518,735,364.81 × 148,938,115.65 - Step 4: Simplify right side
345,577,658.73x = 77,259,467,755,816,720 - Step 5: Solve for x
x = 77,259,467,755,816,720/345,577,658.73 - Step 6: Final answer
x = 223,566,153.09
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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.