Finding the Fourth Proportional to 285,909,500.25, 429,045,641.37 and 122,148,490.59
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Solution
The fourth proportional to 285,909,500.25, 429,045,641.37 and 122,148,490.59 is: 183,300,231.16
Step by Step Solution
- Step 1: Write the proportion equation
285,909,500.25 : 429,045,641.37 = 122,148,490.59 : x - Step 2: Convert to fraction form
285,909,500.25/429,045,641.37 = 122,148,490.59/x - Step 3: Cross multiply
285,909,500.25x = 429,045,641.37 × 122,148,490.59 - Step 4: Simplify right side
285,909,500.25x = 52,407,277,487,563,960 - Step 5: Solve for x
x = 52,407,277,487,563,960/285,909,500.25 - Step 6: Final answer
x = 183,300,231.16
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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.