Finding the Fourth Proportional to 103,998,574.72, 155,905,351.68 and 49,377,462.40
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Solution
The fourth proportional to 103,998,574.72, 155,905,351.68 and 49,377,462.40 is: 74,022,270.61
Step by Step Solution
- Step 1: Write the proportion equation
103,998,574.72 : 155,905,351.68 = 49,377,462.40 : x - Step 2: Convert to fraction form
103,998,574.72/155,905,351.68 = 49,377,462.40/x - Step 3: Cross multiply
103,998,574.72x = 155,905,351.68 × 49,377,462.40 - Step 4: Simplify right side
103,998,574.72x = 7,698,210,640,537,977 - Step 5: Solve for x
x = 7,698,210,640,537,977/103,998,574.72 - Step 6: Final answer
x = 74,022,270.61
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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.