Finding the Fourth Proportional to 221,272,459.20, 331,909,476 and 67,918,528.80
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Solution
The fourth proportional to 221,272,459.20, 331,909,476 and 67,918,528.80 is: 101,878,034.83
Step by Step Solution
- Step 1: Write the proportion equation
221,272,459.20 : 331,909,476 = 67,918,528.80 : x - Step 2: Convert to fraction form
221,272,459.20/331,909,476 = 67,918,528.80/x - Step 3: Cross multiply
221,272,459.20x = 331,909,476 × 67,918,528.80 - Step 4: Simplify right side
221,272,459.20x = 22,542,803,304,698,908 - Step 5: Solve for x
x = 22,542,803,304,698,908/221,272,459.20 - Step 6: Final answer
x = 101,878,034.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.