Finding the Fourth Proportional to 221,098,373.76, 331,690,069.44 and 84,773,125.44
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Solution
The fourth proportional to 221,098,373.76, 331,690,069.44 and 84,773,125.44 is: 127,175,986.80
Step by Step Solution
- Step 1: Write the proportion equation
221,098,373.76 : 331,690,069.44 = 84,773,125.44 : x - Step 2: Convert to fraction form
221,098,373.76/331,690,069.44 = 84,773,125.44/x - Step 3: Cross multiply
221,098,373.76x = 331,690,069.44 × 84,773,125.44 - Step 4: Simplify right side
221,098,373.76x = 28,118,403,863,839,428 - Step 5: Solve for x
x = 28,118,403,863,839,428/221,098,373.76 - Step 6: Final answer
x = 127,175,986.80
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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.