Finding the Fourth Proportional to 234,553,926.74, 323,680,113.72 and 130,129,756.07
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Solution
The fourth proportional to 234,553,926.74, 323,680,113.72 and 130,129,756.07 is: 179,576,674.87
Step by Step Solution
- Step 1: Write the proportion equation
234,553,926.74 : 323,680,113.72 = 130,129,756.07 : x - Step 2: Convert to fraction form
234,553,926.74/323,680,113.72 = 130,129,756.07/x - Step 3: Cross multiply
234,553,926.74x = 323,680,113.72 × 130,129,756.07 - Step 4: Simplify right side
234,553,926.74x = 42,120,414,241,475,064 - Step 5: Solve for x
x = 42,120,414,241,475,064/234,553,926.74 - Step 6: Final answer
x = 179,576,674.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.