Finding the Fourth Proportional to 69,805,488.19, 104,572,013.80 and 54,380,553.28
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Solution
The fourth proportional to 69,805,488.19, 104,572,013.80 and 54,380,553.28 is: 81,464,711.67
Step by Step Solution
- Step 1: Write the proportion equation
69,805,488.19 : 104,572,013.80 = 54,380,553.28 : x - Step 2: Convert to fraction form
69,805,488.19/104,572,013.80 = 54,380,553.28/x - Step 3: Cross multiply
69,805,488.19x = 104,572,013.80 × 54,380,553.28 - Step 4: Simplify right side
69,805,488.19x = 5,686,683,968,047,795 - Step 5: Solve for x
x = 5,686,683,968,047,795/69,805,488.19 - Step 6: Final answer
x = 81,464,711.67
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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.