Finding the Fourth Proportional to 130,481,747.91, 195,798,942.70 and 48,657,154.95
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Solution
The fourth proportional to 130,481,747.91, 195,798,942.70 and 48,657,154.95 is: 73,014,192.76
Step by Step Solution
- Step 1: Write the proportion equation
130,481,747.91 : 195,798,942.70 = 48,657,154.95 : x - Step 2: Convert to fraction form
130,481,747.91/195,798,942.70 = 48,657,154.95/x - Step 3: Cross multiply
130,481,747.91x = 195,798,942.70 × 48,657,154.95 - Step 4: Simplify right side
130,481,747.91x = 9,527,019,493,878,428 - Step 5: Solve for x
x = 9,527,019,493,878,428/130,481,747.91 - Step 6: Final answer
x = 73,014,192.76
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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.