Finding the Fourth Proportional to 70,886,152.20, 106,329,228.30 and 25,442,041.80
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Solution
The fourth proportional to 70,886,152.20, 106,329,228.30 and 25,442,041.80 is: 38,163,062.70
Step by Step Solution
- Step 1: Write the proportion equation
70,886,152.20 : 106,329,228.30 = 25,442,041.80 : x - Step 2: Convert to fraction form
70,886,152.20/106,329,228.30 = 25,442,041.80/x - Step 3: Cross multiply
70,886,152.20x = 106,329,228.30 × 25,442,041.80 - Step 4: Simplify right side
70,886,152.20x = 2,705,232,670,970,343 - Step 5: Solve for x
x = 2,705,232,670,970,343/70,886,152.20 - Step 6: Final answer
x = 38,163,062.70
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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.