Finding the Fourth Proportional to 249,013,744.40, 373,576,603.80 and 76,498,518.80
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Solution
The fourth proportional to 249,013,744.40, 373,576,603.80 and 76,498,518.80 is: 114,764,977.80
Step by Step Solution
- Step 1: Write the proportion equation
249,013,744.40 : 373,576,603.80 = 76,498,518.80 : x - Step 2: Convert to fraction form
249,013,744.40/373,576,603.80 = 76,498,518.80/x - Step 3: Cross multiply
249,013,744.40x = 373,576,603.80 × 76,498,518.80 - Step 4: Simplify right side
249,013,744.40x = 28,578,056,849,034,452 - Step 5: Solve for x
x = 28,578,056,849,034,452/249,013,744.40 - Step 6: Final answer
x = 114,764,977.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.