Finding the Fourth Proportional to 106,571,639.50, 147,070,089.12 and 62,519,387.74
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Solution
The fourth proportional to 106,571,639.50, 147,070,089.12 and 62,519,387.74 is: 86,277,474.66
Step by Step Solution
- Step 1: Write the proportion equation
106,571,639.50 : 147,070,089.12 = 62,519,387.74 : x - Step 2: Convert to fraction form
106,571,639.50/147,070,089.12 = 62,519,387.74/x - Step 3: Cross multiply
106,571,639.50x = 147,070,089.12 × 62,519,387.74 - Step 4: Simplify right side
106,571,639.50x = 9,194,731,926,649,636 - Step 5: Solve for x
x = 9,194,731,926,649,636/106,571,639.50 - Step 6: Final answer
x = 86,277,474.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.