Finding the Fourth Proportional to 152,767,060,515.36, 209,291,889,403.99 and 147,041,234,874.72
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Solution
The fourth proportional to 152,767,060,515.36, 209,291,889,403.99 and 147,041,234,874.72 is: 201,447,470,177.20
Step by Step Solution
- Step 1: Write the proportion equation
152,767,060,515.36 : 209,291,889,403.99 = 147,041,234,874.72 : x - Step 2: Convert to fraction form
152,767,060,515.36/209,291,889,403.99 = 147,041,234,874.72/x - Step 3: Cross multiply
152,767,060,515.36x = 209,291,889,403.99 × 147,041,234,874.72 - Step 4: Simplify right side
152,767,060,515.36x = 30,774,537,867,226,014,285,824 - Step 5: Solve for x
x = 30,774,537,867,226,014,285,824/152,767,060,515.36 - Step 6: Final answer
x = 201,447,470,177.20
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.