Finding the Fourth Proportional to 161,752,267.20, 242,628,400.80 and 160,744,497.60
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Solution
The fourth proportional to 161,752,267.20, 242,628,400.80 and 160,744,497.60 is: 241,116,746.40
Step by Step Solution
- Step 1: Write the proportion equation
161,752,267.20 : 242,628,400.80 = 160,744,497.60 : x - Step 2: Convert to fraction form
161,752,267.20/242,628,400.80 = 160,744,497.60/x - Step 3: Cross multiply
161,752,267.20x = 242,628,400.80 × 160,744,497.60 - Step 4: Simplify right side
161,752,267.20x = 39,001,180,390,087,440 - Step 5: Solve for x
x = 39,001,180,390,087,440/161,752,267.20 - Step 6: Final answer
x = 241,116,746.40
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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.