Finding the Fourth Proportional to 220,487,812.86, 330,961,553.20 and 97,752,323.81
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Solution
The fourth proportional to 220,487,812.86, 330,961,553.20 and 97,752,323.81 is: 146,730,381.59
Step by Step Solution
- Step 1: Write the proportion equation
220,487,812.86 : 330,961,553.20 = 97,752,323.81 : x - Step 2: Convert to fraction form
220,487,812.86/330,961,553.20 = 97,752,323.81/x - Step 3: Cross multiply
220,487,812.86x = 330,961,553.20 × 97,752,323.81 - Step 4: Simplify right side
220,487,812.86x = 32,352,260,918,016,536 - Step 5: Solve for x
x = 32,352,260,918,016,536/220,487,812.86 - Step 6: Final answer
x = 146,730,381.59
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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.