Finding the Fourth Proportional to 57,754,386.76, 79,671,239.70 and 39,163,239.24
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Solution
The fourth proportional to 57,754,386.76, 79,671,239.70 and 39,163,239.24 is: 54,025,053.26
Step by Step Solution
- Step 1: Write the proportion equation
57,754,386.76 : 79,671,239.70 = 39,163,239.24 : x - Step 2: Convert to fraction form
57,754,386.76/79,671,239.70 = 39,163,239.24/x - Step 3: Cross multiply
57,754,386.76x = 79,671,239.70 × 39,163,239.24 - Step 4: Simplify right side
57,754,386.76x = 3,120,183,820,918,486 - Step 5: Solve for x
x = 3,120,183,820,918,486/57,754,386.76 - Step 6: Final answer
x = 54,025,053.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.