Finding the Fourth Proportional to 69,108,158,278.26, 103,662,237,417.39 and 19,421,480,564.01
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Solution
The fourth proportional to 69,108,158,278.26, 103,662,237,417.39 and 19,421,480,564.01 is: 29,132,220,846.02
Step by Step Solution
- Step 1: Write the proportion equation
69,108,158,278.26 : 103,662,237,417.39 = 19,421,480,564.01 : x - Step 2: Convert to fraction form
69,108,158,278.26/103,662,237,417.39 = 19,421,480,564.01/x - Step 3: Cross multiply
69,108,158,278.26x = 103,662,237,417.39 × 19,421,480,564.01 - Step 4: Simplify right side
69,108,158,278.26x = 2,013,274,129,223,629,930,496 - Step 5: Solve for x
x = 2,013,274,129,223,629,930,496/69,108,158,278.26 - Step 6: Final answer
x = 29,132,220,846.02
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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.