Finding the Fourth Proportional to 90,711,457.98, 125,232,752.79 and 62,874,622.14
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Solution
The fourth proportional to 90,711,457.98, 125,232,752.79 and 62,874,622.14 is: 86,802,287.02
Step by Step Solution
- Step 1: Write the proportion equation
90,711,457.98 : 125,232,752.79 = 62,874,622.14 : x - Step 2: Convert to fraction form
90,711,457.98/125,232,752.79 = 62,874,622.14/x - Step 3: Cross multiply
90,711,457.98x = 125,232,752.79 × 62,874,622.14 - Step 4: Simplify right side
90,711,457.98x = 7,873,962,011,223,281 - Step 5: Solve for x
x = 7,873,962,011,223,281/90,711,457.98 - Step 6: Final answer
x = 86,802,287.02
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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.