Finding the Fourth Proportional to 87,436,108.06, 130,587,278.11 and 79,222,339.48
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Solution
The fourth proportional to 87,436,108.06, 130,587,278.11 and 79,222,339.48 is: 118,319,878.45
Step by Step Solution
- Step 1: Write the proportion equation
87,436,108.06 : 130,587,278.11 = 79,222,339.48 : x - Step 2: Convert to fraction form
87,436,108.06/130,587,278.11 = 79,222,339.48/x - Step 3: Cross multiply
87,436,108.06x = 130,587,278.11 × 79,222,339.48 - Step 4: Simplify right side
87,436,108.06x = 10,345,429,677,803,482 - Step 5: Solve for x
x = 10,345,429,677,803,482/87,436,108.06 - Step 6: Final answer
x = 118,319,878.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.